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<Info> Silverwing 400cc / 600cc Tech Corner


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  • 2 weeks later...

That thingy that's protecting your head, do you know it well?

Read this article from Motorcycle Safety Foundation (MSF) of US:

What You Should Know About Motorcycle Helmets


The Motorcycle Safety Foundation is a national, not-for-profit organization promoting the safety of motorcyclists with programs in rider training, operator licensing and public information.


Four basic components work together to provide protection in the motorcycle helmet: an outer shell; an impact-absorbing liner; the comfort padding; and a good retention system.




The helmet should crack in place of our skull :sweat:

Both the shell and the liner compress if hit hard, spreading the forces of impact throughout the helmet material. The more impact-energy deflected or absorbed, the less there is of it to reach your head and do damage. Some helmet shells delaminate on impact. Others may crack and break if forced to take a severe hit; this is one way a helmet acts to absorb shock. It is doing its intended job.


How often should we change our helmet?

There are much discussions about how long a helmet can last... seems like the the helmets could last longer than we thought.

Helmet lifespan, time to dispell the myth!

When should I replace my Helmet?

Helmet replacement after 5 years... WHY?


Most helmet manufacturers recommend replacing your helmet every 2 to 4 years. If you notice any signs of damage before then, replace it sooner.

Many of us believe that bike helmets have a limited lifespan before they become unsafe to use. This myth was put forth by the helmet companies themselves as a way to sell more helmets. As long as a helmet has not been involved in a crash, there is no reason to replace it. Sweat and sunlight have NO affect on a helmet. If the pads are worn out, they should be replaced, but the helmet itself should be good for as long as you own it.

Did you crash it? Replace immediately.

Did you drop it hard enough to crack the foam? Replace.

Is it from the 1970's? Replace.

Is the outside just foam or cloth instead of plastic? Replace.

Does it lack a CPSC, ASTM or Snell sticker inside? Replace.

Can you not adjust it to fit correctly? Replace!!




Is there an expiry date???

Can't remember when you bought your present helmet? Check the chin strap or permanent labeling. Since 1974, all helmets must have the month and date of production stamped on it. If there's no date at all, you should definitely replace your helmet – now!



Edited by scoobydoo


Current Ride: FJS400 Silver Wing


23~27 Dec 2014: 5D5N KL & Ipoh

Scooby's blog http://scoobydooby-doo.blogspot.sg/

Tech Corner http://www.singaporebikes.com/forums/showthread.php/325894-lt-Info-gt-Silverwing-400cc-600cc-Tech-Corner

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Do I need a top box for my Silver Wing?


The needs of every rider are somewhat different, despite many similarities. The fact that one has chosen a maxi-scooter over other more agile scooters (e.g. runner) and/or powerful motorcycles (e.g. CB400) is an indication of his/her needs being skewed towards utility (more storage), comfort, some touring and of course, some fun along the way in place for power and speed. There are powerful maxis-scoots indeed, like the T-max from Yamaha but that's not our star, the Honda Silver Wing :p


The SW comes with a 55 litres underseat storage compartment with a maximum loading of 10Kg (according to manual). That itself is larger than a regular top box and can fit 2 full face helmets. It is as if we have a Givi E55 Maxia built in, only that the shape is not so regular.


BTW, the “auto-warmer” underseat storage is sometimes not favored/suitable to store some items, especially those the may go bad under heat. e.g. I wouldn't want to put my wet-market grocery items like toufu, fruits, vegetables, etc. (definitely no “fishy” stuffs) there, but dun mind putting my packed cha kuay tiow or nasi goring there... still very warm when arrive home :p


* To many, the underseat “Maxia” is sufficient and they particularly prefers the more sporty look of the SW without the top box.

* For riders who like or need to carry lots of things around, adding a top box would very much satisfy their extra need for storage. Additional storage is especially useful for those who carry pillions where carried items (e.g. helmets, rain gears, etc.) are doubled up.

* For riders who tour, the additional top box becomes somewhat a necessity. That is why I carry “2x Maxia” with a total storage of 107 litres… Maxia 55L below my butt and Maxia 52 at the rear :thumb:


I remembered this interesting conversation in the movie Alien vs. Predator...

It is better to have it and not need it, than to need it and not have it.

Good news is, our SW still look good with a top box. And top boxes are easily removable as desired.



Which one should I get?


IMO, deciding on a “suitable” top box very much depends on factors such as:

* needs for extra storage space… how big do you need or want?

* budget… how much are you willing to pay for?

* quality and brand… which brand is preferred?

* design and special features… some boxes have alarm, remote keys, etc.

To me, its all about size and $$ :lol:


Commonly used top boxes for SW in Singapore are:

(prices are "around there" figures)

~$120 Givi Simply E450 (45L) … most popular, value for money

~$200+ Coocase S48 (48L)

~$330+ Givi Maxia E52 (52L)

~$450+ Givi Maxia 3 E55 (55L)

>$500+ Hepco & Becker: Junior (40L/45L), Journey (38L/42L/48L)

Note that the top boxes have different max loads.

(Kappa & other makes are not listed as they were not as popular among Swingers here)


probably the most value for money top box is the Givi E450 Simply... cheap and good



Givi MONOKEY® and MONOLOCK® cases use a patented locking system that enables the opening/detaching of the case and its attaching/releasing from the plate with a single key. According to Givi’s webby, MONOKEY® cases have a bigger capacity than MONOLOCK® cases which are usually used on scooters and maxi-scooters.


Authorised distributor in Singapore:

Cyclenet Pte Ltd

1179 Serangoon Road, Singapore 328232

(company is “inside” Mah Pte Ltd)

Tel: 62956393, 62950748


“Alternative” seller for bargain prices:

Who else other than Lim Ah Boy Pte Ltd (aka LAB)?

23 Kelantan Lane #01-03 Kim Hoe Centre S(208642)

Tel: 62967914, 62968035


Monolock E450 Simply/Simply II


The Simply series could well be the most commonly/popular case among the Swingers (probably the motorcycling community) due to its price and quality.

Commonly mistaken as “E45” (which is a totally different box by itself), the basic model (matt black without brake light kit) was available for around $110~$150 (include installation), brake light kit costs another $10~$20.

More costly glossy colored-top versions of the Simply are also available.


Monolock E470 Simply III


The relatively new E470 looks very similar to the E450 except that it is larger by 2 litres. However, it is not as popular as its smaller brother as it costs about double and is also not commonly available in most bike shops here.


Monokey E52 Maxia


The 52 litres E52 remains one of the most popular choice among the large top boxes even till today, probably due to its competitive pricing. The matt black model (box only, with brake light kit) was available for about $280~$380 and the metallic base plate costs around $50~$80.

The 7 litres additional capacity could be very handy especially for touring and if you need to store some items (e.g. rain gears, smallish bags, etc) in addition to 2 full-face helmets.


Monokey E55 Maxia III


For bikers who need more than the 52 litres provided by E52, Givi has the 55 litres E55 Maxia III for them. However, the E55 popularity suffers the same pricing problem as the E470; it costs about $200 more than the E52, something like $100 per litre for the extra.





Interestingly, nothing much is available on the Internet about the origin and history of Coocase. What most of us know is that they are pretty decent cases with quality that could match those of reputable brands.


Coocase Corporate Headquarters in Singapore


No.10 Bukit Batok Crescent #13-01 The Spire Singapore 658079

Email: info@coocase.com


Authorised distributor in Singapore:


590 Serangoon Road, Singapore 218204

Tel: +65 6293 3545 Fax: +65 6293 5397


S48 Astra


Swingers who wished to have a bigger top box but budget would not permit the more expensive E470, E52 or E55, the 48 litres S48 Astra could be the best alternative.

The S48 can accommodate 2x full-face helmets and comes in 3 variations, basic, classic and luxury models (differing features such as manual/electronic remote control locking, alarm, LED brake light kit and inner liners.

The basic matt black model was available at around $185 (include installations).


Coocase vs Givi



While I did not find too much good at the recent NYC Bike Show last week, I did come across a New to Me product; Coocase


I had mixed emotions on this product. The keyless entry/lock was cool. The S48, their largest case was slightly smaller than Givi's largest case, The E-55 Maxia 3


Both have Brake Light capabilities, color matching panels and interior linings, but most of this is standard on Coocase and optional on Givi.


I liked the stay up lid feature on Givi much better and at first I also though the Givi was made better as in stronger, but upon careful review, they both look about the same though the weather seal on Givi should out perform / outlast Coocase, but I won't know that for sure until its put through an extreme weather event. Perhaps someone can add their experience with rain penetration on the Coocase. Having owned the Givi's I know for sure its rain tight.


The thing that really puts the Coocase over the top of Givi is the price. Twisted Throttle sells this case fully loaded with the mounting bracket for the ST at $299.99. We all know how expensive Givi is...at $600 + shipping it's up there in price.






I guess the premium or the “rolex” of top boxes could be the Hepco & Becker boxes, products of German manufacturer of carrier systems for motorcycles and accessories. H&B boxes are well known for their toughness and watertight integrity. Needless to say, the buyers also pay premium prices for the boxes and racks, usually sold separately.

More commonly H&B top boxes are Junior and Journey series.


Authorised distributor in Singapore:

M-Technik Motorsports LLP

51 Ubi Ave 1, #05-08,

Paya Ubi Industrial Park.

SGP- Singapore 408933.

Tel.: +65 68 44 89 73

Fax: +65 62 34 27 73



Junior - the classical series


The Junior top boxes comes in 40 litres and 45 litres options and their features include waterproof, strengthened edges, safety locks, special valves against dirt, etc.


Journey - one for all


The Journey top boxes comes in sizes of 40 litres, 42 litres and the relatively new 50 litres which is aimed to offer more storage space. They have options such as padding for the back, top railing, an inner bag, etc.



= = = = = = = = = = = = = = = = = = = = = = = = = = =


Sample of prices

… note that prices may have changed due to market conditions


Boxes & Storage Systems








V28-B $75.00

V36-B $95.00

S48-B $150.00

V28-B: $75

V36-B: $95

S48-B: $150

S48-BSP Blue: $230

S48-BSP Grey: $230

S48-BSP Matt Black $230

S48-BSP White: $230

S48-BSP Glossy Black: $230

S48-BSP Yellow: $230

S48-L $320(Matt Black)

S48-L $320(Gloss Black)

S48-L $350(Colour)

S48-L $320(Matt Black)

S48-L $320(Gloss Black)

S48-L $350(Colour)




K9500N (29LT MATT BLACK TOP BOX) $74.00


K35N (35LT MATT BLACK TOP BOX) $107.00

K42N (42LT MATT BLACK TOP BOX) $105.00


K46N (46LT MATT BLACK TOP BOX) $171.00


K52N (52LT MATT BLACK TOP BOX) $312.00



E20N: $80

E230N: $80

E260N: $90

E260N-S with light:$105

E30N: $80

E30N-S with light: $100

E33N: $80

E33N-S with light: $100

E350N: $115

E350N-S with light: $130

E450N: $130

E450N with colour: $165

E450N-S with light: $150




KAPPA (Monorack Brackets)

FINO 115 $40.00

SPARK 135 $40.00

X1R 135 $40.00


WAVE 125S (Boon Siew) $40.00

WAVE 125S (Side) $40.00

Wave 125X $40.00

KATANA 125 $40.00

HAYATE 125 $40.00


KAPPA (Heavy Duty Brackets)

Y125Z $65.00

RXZ $65.00

FZ150I $65.00

PHANTOM $65.00

SPARKZ 135 $65.00

X1R 135 $65.00

CB400 V-TEC I $80.00

CB400 V-TEC II $80.00

CB400 V-TEC III $80.00

FZ1S / FZ1N $254.00

FZ6S / FZ6N $225.00

GSR400 $209.00


KAPPA (Side Boxes)

K21 Matt Black: $143

Universal Brackets: $99


K33 Matt Black: $585

Mounting Rack for:

GSR400/600: $265

FZ1: $404

FZ6: $413


GIVI MR-4 Monorack

Sparkz 135: $45

FZ150: $45

W125: $45

NOVO LC: $45


GIVI Monorack- HR4M

CB400 Vtec III: $95

Phantom 200: $80

NSR150RR/CBR150R: $80

Baja 180/Baja 200: $120

RXZ 135: $80


GIVI Monorack-HR 3

FZ150i HR 4: $80

CB400 Vtec I: $95


KAPPA Engine Guard

FZ6 $242

FZ1 $225


Givi Universal Brackets

F1000: $150


Givi Side Boxes

E21 Matt Black: $160

(SB2000 Bracket: $110)



DRZ400SM Rally Rack: $280


Please check the 1st post for latest updated pricing. Thank you.

Edited by scoobydoo


Current Ride: FJS400 Silver Wing


23~27 Dec 2014: 5D5N KL & Ipoh

Scooby's blog http://scoobydooby-doo.blogspot.sg/

Tech Corner http://www.singaporebikes.com/forums/showthread.php/325894-lt-Info-gt-Silverwing-400cc-600cc-Tech-Corner

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GST... Payable?


What is Goods and Services Tax (GST)?


Goods and Services Tax (GST) is a tax on the supply of goods and services made in Singapore by a taxable person in the course or furtherance of any business carried on by him and on the importation of goods into Singapore.


GST is a broad-based consumption tax levied on the import of goods (collected by Singapore Customs), as well as nearly all supplies of goods and services in Singapore. The only exemptions are for the sales and leases of residential properties and the provision of most financial services. Export of goods and international services are zero-rated. In some countries, GST is known as the Value Added Tax (VAT).


Only GST registered parties/entities can claim and/or charge GST at the respective rates.

i.e. if we buy bikes from non-GST registered traders/motorshops, we DO NOT have to pay GST!!!


How to know whether shop is GST registered?

To check if the merchant or motorshop is GST registered, use this link: GST status

Checks could be carried out online (Internet) or via mobile SMS services.

Another simpler way is to check if the tax/normal invoice has the GST registration nos. clearly displayed/printed; it is a requirement by GST Act.


So what is a GST taxable supply?

A taxable supply is a supply of goods and/or services made in Singapore other than an exempt supply. i.e. need not be an item that is sold.

E.g. in addition to the machine price, charges for agreement fee, administration fee, etc. are all taxable supplies and thus subject to GST.


GST amounts charged by motorcycle shops are sometimes "questionable". This is the official guide:

IRAS: GST Guide for Motor Traders



Case 1: Buying a new bike


For new motorcycles, GST is charged on the Selling Price (including any admin charges, loan agreement fees, etc.) less Certificate of Entitlement (COE), Registration Fee (RF) and Road Tax (RT). COE, RF and RT are charges imposed by Land Transport Authority (LTA) on vehicle buyers and are not subject to GST (not a provision of goods and services).


What forms Selling Price?

Please see Sums Of Buying A New Bike.


Basically, the On-the-Road (OTR) price should cover the following:

+ machine price ... GST taxable

+ COE ... not subject to GST

+ LTA registration fees ... not subject to GST

+ 6 months road tax ... not subject to GST

+ 1 year insurance ... GST taxable

+ IU & installation ... GST taxable

+ optional add-ons if any (e.g. top boxes, brackets, etc) ... GST taxable

+ admin fees (some shops waive) ... GST taxable

+ agreement fees (if loans/financing taken) ... GST taxable




Case 2: Buying a used bike


The buying/selling of used bikes is more tricky.

Motorshops have the two schemes to choose from when calculating GST on your sale of second-hand bikes:


(A) Gross Margin Scheme

Under the Gross Margin Scheme, motorshops account for GST on the margin between the selling price of the vehicle (which is treated as inclusive of GST) and purchase price of the vehicle.


Under this scheme, the shops cannot issue a normal tax invoice. They can only issue a "normal" invoice which is slightly different from a a tax invoice... GST is not shown on the invoice. In addition, the statement "This vehicle is sold under GST Gross Margin Scheme. Both the seller and buyer cannot claim any input tax on the vehicle." must be printed clearly on the invoice.

i.e. if we see this statement, the shop is using the gross margin scheme.


(B) Discounted Sale Price Scheme

Under the Discounted Sale Price Scheme, GST is charged on 50% of the selling price of the bike, regardless of selling at a profit or loss.


Illustration 1: sale of used bike to the public (not motor trader)

. Selling price to buyer is $25,875 (inclusive of GST)

. GST @50% (regross) = 7/207 x $25,875 = $875


Illustration 2: sale of used bike to the public (not motor trader)

. Selling price $25,000 (before GST)

. GST @50% = 7/200 x $25,000 = $875

. Selling price (inclusive of GST) = $25,875


A tax invoice can be issued and which must have the details such as:

* the words tax invoice in a prominent place

* invoice number

* invoice date

* shop's name, address and GST registration number

* buyer’s name and address

* stock book number

* particulars of vehicle (registration, engine and chassis numbers, make and


* type of supply

* cash discount (if any)

* amount payable, excluding GST

* GST rate and GST amount

* total amount payable, including GST


Based on the illustration above, the tax invoice issued must clearly show that the taxable supply is $25,000 and GST amount (under discounted sale price scheme) is $875.00 accordingly.



* always ask for a Tax or Normal Invoice

* Transfer Fees are NOT subject to GST... Transfer Fee Computation

* if GST is charged, ask shop to issue tax/normal invoice; invoice must have GST registered nos. clearly printed

* if GST is charged, check that GST amount is correct and clearly indicated on the invoice

* if GST non-registered shop charges GST, report the breach to Comptroller of GST



Case 3: Buying things from overseas Internet mechants


Importing goods into Singapore


Goods that are imported into Singapore by parcel post through ordinary mail or speedpost (e.g. for goods that are purchased online) are subject to GST. It applies to all new articles, personal articles, souvenirs, gifts, food preparations and dutiable products.


GST is applied on an ad valorem basis on the item you import, calculated based on the CIF (Costs, Insurance and Freight) value plus all duties and other chargeable costs, whether or not shown on the invoice.


GST need not be paid for the goods (except for dutiable products) if the CIF value is not more than S$400. When the CIF value is more than S$400, the entire sum would be subject to GST.


E.g. purchase of Hagon shocks from Wemoto and have package shipped to Singapore...

Cost of 1 pair of Hagon shocks excluding shipping = GBP152.68 - GBP29.30 = GBP123.38

Shipping cost = GBP23.12

CIF Total = GBP146.15

Converted to SGD equivalent = approx. S$303

Not subject to GST as CIF amount is

E.g. purchase of Hagon shocks from Wemoto and have package shipped to Singapore...

Cost of 2 pairs of Hagon shocks excluding shipping = GBP305.36 - GBP57.81 = GBP247.55

Shipping cost = GBP41.44

CIF Total = GBP288.99

Converted to SGD equivalent = approx. S$599

Buyer has to pay GST at 7% as CIF amount is >S$400, exceeded the relief cap.


It is better to buy/import only 1 unit at a time; CIF is



Case 4: Traveler bring in purchases into Singapore


If you are a bona fide traveller (excluding holders of work permits, employment passes, student passes, dependent passes or long-term passes), you will be given GST relief on new articles, souvenirs, gifts and food preparations that you bring into Singapore. Food preparations exclude intoxicating liquors and tobacco. Such goods include new articles, souvenirs, gifts and food preparation which are for your personal use and not meant for sale.


The relief is capped at a value which depends on your age and the number of hours you have spent outside of Singapore immediately before your arrival. Goods exceeding your GST relief limits may be brought in only after payment of GST at the Customs Office.


Singapore Customs: Duty-free Concession and GST Relief


Note that the maximum relief available is $300, for traveler 18yrs and above and away for at least 48hrs.


E.g. making a 3D2N shopping trip to Hong Kong and brought back a new Rolex watch in addition to many other things... total cost of purchases >S$300 (equivalent).

By right, traveler has to declare the goods since he/she has exceeded the duty-free concession and GST relief cap.

By left, ... ... the Rolex watch "could be a used" item (mail the box & documents separately home). Take the risk, bear your own consequences :p



If caught for not making a declaration at the Red Channel or paying the taxes due, a person can be prosecuted in court and fined up to $10,000 and imprisonment for up to three years.

Edited by scoobydoo


Current Ride: FJS400 Silver Wing


23~27 Dec 2014: 5D5N KL & Ipoh

Scooby's blog http://scoobydooby-doo.blogspot.sg/

Tech Corner http://www.singaporebikes.com/forums/showthread.php/325894-lt-Info-gt-Silverwing-400cc-600cc-Tech-Corner

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Headlight Shield for Silver Wing


Why need a shield?

The headlight unit (normal and high beam) of the FJS/JDM comes in a single unit and needs to be replaced as a whole when the front lens is damaged. The unit costs around $400 and there is no option to replace only the cracked/damaged lens. Furthermore, no one knows when and how often the unlucky moment will come... it only takes a flying stone/debris at a "correct" impact angle inflict the damage.


Some options for protection...


Acrylic Shields... recommended

Acrylic headlight shields are designed to take the impact of flying stones/debris of sufficient force that may otherwise crack/damage the lens.


Acrylic shields for FJS/JDM models were available at Motoworld but they have decided not to bring in the custom made product since the stock is finished.

After some searching, we found Cee Bailey's of US which specialised in producing aircraft grade acrylic shields for various purposes, including motorcycles. Good news is, the have headlight shields for Silver Wing FJS/JDM models. Bad news is, they have not started producing shields for SWT/GT.

Each Cee Bailey's shield for SW costs US$34.95 and shipping cost US$45 to a Singapore address. It is rather expensive to buy just 1 unit.

Recommendation: buy a few units and enjoy benefits of combined shipping.



+ 6x Silver Wing Headlight Shields (US$34.95 ea)

+ 1x Gold Wing GL1800 Headlight Shields (US$49.95 ea)

+ Shipping to Singapore US$80

Total in USD = US$339.65






Although the use of acrylic shields are not as nice looking as using sticker base shields (e.g. RACEshield), they are more effective. The downside is, someone may decide to borrow the shield indefinitely :p



RACEshield claims that the protective sticker is made of 100% apliphatic thermoplastic urethane which is high abrasion resistance in nature. The application for SW costs $65 at local vendors.

Does RACEshield protects the headlamps from cracking like how the plastic headlamp protector does?

A lot is being said by the vendor, but the most important part of the question is still not answered... basically, it does not.

I have spoken to one of the local vendors and their staff confirmed that even with RACEshield on, the lens will still break if it sustain a strong enough impact from a flying stone at the "correct" angle. It however, helps by preventing chips/abrasions and holds the lens together in the event if the lens is damaged.


FAQ from vendor's webby

So motorcycle headlamps are very difficult to crack unless in a crash. Hence RACEshield provides the same protection on the vulnerable PC headlamps' flaws similar to an "extra" velcro'ed-on acrylic headlamp protector without :

1. Getting it easily stolen.

2. Extra heat build up due to the still air between the lamps and the thick protector, as air by nature is a very bad conductor of heat.

3. Bulky look onto a motorcycle.


Insurance "shield"

Applicable only for those whose SW are covered under comprehensive insurance. Although claim may be made under self repairs, it is likely to affect NCD and/or result in higher premium on renewal.


$$ "shield"

Simply pay "out-of-pocket" to replace headlight unit whenever it is damaged and hope the "stone" doesn't strike again :p

Edited by scoobydoo


Current Ride: FJS400 Silver Wing


23~27 Dec 2014: 5D5N KL & Ipoh

Scooby's blog http://scoobydooby-doo.blogspot.sg/

Tech Corner http://www.singaporebikes.com/forums/showthread.php/325894-lt-Info-gt-Silverwing-400cc-600cc-Tech-Corner

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  • 2 weeks later...

When To Change Suspensions?


The SW’s front suspension uses a pair of hydraulically damped telescopic forks, the most commonly used design for motorcycles and scooters. Simple in design, they are simply large hydraulic shock absorbers with internal coil springs to allow front wheel to react to uneven roads while isolating rest of the bike's body from resulting vibrations. For the rear, the SW uses coil-over twin shock absorbers. These shock absorbers have springs that are installed over (around) their damper units.


Without both front and/or rear suspensions, riders would be badly "abused" by both the vibrations from the pulsating engine and the imperfections of the road. Not only would bikes be super uncomfortable, they would be dangerous as they are likely to bounce and jump on every "bump" of the road, thus may lift the tyres off their grip on the road. Result? Disaster.


So when?


Suspensions usually last very long under normal usage and don’t need to be changed regularly like the usual wear-n-tear items. Probably the most common reason for premature change is the need for better performance, to improve handling (e.g. taking corners).


Nevertheless, suspensions do wear down and when the time come, they usually show symptoms such as larger than normal sag (springs loose their desired stiffness/strength due to material fatigue) and oscillating ride (dampers lost their capacity to dampen or "stop" the up-n-down movements).


The effectiveness of suspensions may be altered by two variables, pre-load and damping. When either of the 2 performance factors have become impaired, it is time to change the affected suspension.



Altering Suspensions' Behaviors


Other than changing to performance aftermarket fork springs and/or twin shocks, some measures could be done to alter the characteristics of stock suspensions, by adjusting pre-load and/or damping.




All (if not most) suspensions are designed with their springs under compression, even when fully extended (assembled but before installation and taking load). Pre-load is used to adjust the initial position of the suspension taking into consideration the weights of bike and rider. The difference between the fully extended length of the suspension and the length compressed by the weight of the bike and rider is called total sag. Total sag is set to optimize the initial position of the suspension to avoid bottoming out or topping out under normal riding conditions.

Increasing pre-load increases the initial force on the spring thereby reducing total sag. Decreasing pre-load decreases the initial force in the spring thereby increasing total sag.


SW’s Pre-load Adjustment:

* Front Forks … can increase by adding spacers inside tube to further compress the fork springs

* Rear Shocks … stock shocks comes with 5 settings which can be changed by turning pre-load adjustments module (round cylinder with holes/markings 1 to 5). Higher numbers means the spring is compresses more, resulting to less sag and firmer/stiffer outcomes.




While springs cushion the vibrations, shock absorbers damp out (reduce and cancel out) the motions of the bike up and down on its springs. Dampers are thus a very important member of all suspension systems. Without dampers, the bike would oscillate up and down non stop on its springs when riding on uneven grounds (almost all grounds are) while on the move. With proper damping, the bike will settle back to a "normal" state in a minimal amount of time.


More advanced suspensions are usually designed with capability for their users to control (increasing or decreasing) the resistance to fluid flow in them, to achieve the desired damping effect. Most shocks have internal oil reservoirs, but some have external ones, and some offer air-assisted damping.

Unlike some telescopic forks and shocks that have external adjustments for damping, the SW’s front fork and rear twin shocks does not have such capabilities.


SW’s Damping Adjustment:

* Front Forks … can modify by changing the amount and weight of fork oil inside the tubes. Generally, more oil (less air pocket) and/or heavier oil results in higher damping effect.

* Rear Shocks … damping of stock shocks cannot be adjusted.



What is the best setting?


There is no best setting as comfort and road handling squares off in a trade off; there's no best of both world unfortunately.

E.g. setting a higher pre-load (less sag) and higher damping (stops oscillation faster) improves the bikes handling for attacking corners/bends. However, comfort is sacrificed as rider will have a more bumpy ride and "feel" more of the roads' imperfections. Having too stiff a setting may also be bad for handling, as the bike may be too jumpy for proper road grip, especially when road conditions are too imperfect.

It is for this reason that race bikes and cars adjusts their suspensions settings according to the track's conditions for best performance.


Best setting depends on individual needs.




Other relevant posts:

About SW Front Suspension (post #17)



A recap on SW suspension setting (post #77)



After-market Suspensions (post #131)





Information gathered and compiled from various Internet websites including Wikipedia.

Edited by scoobydoo


Current Ride: FJS400 Silver Wing


23~27 Dec 2014: 5D5N KL & Ipoh

Scooby's blog http://scoobydooby-doo.blogspot.sg/

Tech Corner http://www.singaporebikes.com/forums/showthread.php/325894-lt-Info-gt-Silverwing-400cc-600cc-Tech-Corner

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  • 4 weeks later...

my bad... its a copy-n-paste error... paste liow forgot to amend price :sweat:

price for zumo 550 at Amazon should be around US$605.

thanks for pointing out the error.


Current Ride: FJS400 Silver Wing


23~27 Dec 2014: 5D5N KL & Ipoh

Scooby's blog http://scoobydooby-doo.blogspot.sg/

Tech Corner http://www.singaporebikes.com/forums/showthread.php/325894-lt-Info-gt-Silverwing-400cc-600cc-Tech-Corner

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  • 3 weeks later...
  • 4 weeks later...

Hi hi.


Have you refered your problem to a bike shop and they still can't help you? Wrong shop if they can't even source for you.

If not, how do you know it is the part that you mention is faulty?


Could be just a blown fuse or plugs or loose electrical connections/switch.


Anyway, main electrical components like ECU, Boon Siew or FJT may have.

I said 'may' because such items rarely give problems and sometimes they don't keep stock and have to order.


Dear Scoobydoo,

I use FJS400 SW, but now its ecu is wrong. So SW can not electric start. I need to buy another FJS400 ECU or ECM. Could you support me ans suggest to me where is selling this ECM?

Thanks you very much.




11 - 25 Nov - 15D, Taiwan - Fly and Scoot


7 - 15 Apr - 9D, Phuket and Hatyai Songkran

17 Nov to 2 Dec - 16D, North East Thailand (Issan)


30 Mar to 7 Apr - 9D Korea/Jeju Fly and Ride

8 - 24 Nov - 16D, Mae Hong Son


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I am currently riding SYM 150cc. I live at pasir ris and work at tuas..

I would like to noe if sliver wing can send me to tuas 4 times per week without

Giving me problems.? Thought of buying SW400..

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I upgraded from X9 about 2 months ago and it is probably one of the best decisions in my life. SW is such a wonderful piece of transport and almost perfect. Smooth, stable and more fuel-saving than my 200cc X9. Cruising at 100km/h is no problem

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Just curious, what kind of problem is the SYM giving you?


IMHO, any 400cc will be very good for local commute, in your case, around 60km a day.


and yes, silverwing will be very nice for your usage, very good storage space, easy and low maintenance cost, stable at speed up to 140kmh(if you are late for work), one of the most comfy pillion seat other than goldwing and smooth. Also, there's a nice silverwing community. ^^

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Sorry to use this thread.


I am currently riding SPEC3 (5 years) and intend to move to SW400.


Can someone assist on the below for SW400


1) Fuel comsumption

2) Bike Maintenance

3) Cost of a brand new SW400

4) Best place to get SW400



Many thanks in advance

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1) Fuel comsumption

around 20-22km/l depending on your wrist power.


2) Bike Maintenance

2.2L of EO. Belt and rollers can last around 20k++ km easily.


3) Cost of a brand new SW400

You gotta check bike shop, with COE prices now, I'm not too sure, and price keep going up.


4) Best place to get SW400

2 used units in garage sales now, I know they take good care of their bike.


brand new, then boon siew if you pay full cash, or any major bikeshop. just read the agreement properly.


Anyway, u can drop in the silverwing thread, all the people there will be willing to help. There's also a sticky thread with all the information you will need.

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Wah. Don't scare me leh.

my FC only 24-25 nia.


EO only =2L. With gear oil change = 2.32L.


11 - 25 Nov - 15D, Taiwan - Fly and Scoot


7 - 15 Apr - 9D, Phuket and Hatyai Songkran

17 Nov to 2 Dec - 16D, North East Thailand (Issan)


30 Mar to 7 Apr - 9D Korea/Jeju Fly and Ride

8 - 24 Nov - 16D, Mae Hong Son


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