muzzammil

For info, I am riding a 2004 Yamaha XJR400R. This is my first carburetor bike so not much knowledge and experience. From what I know, carb bikes only need about 1 min max to warm up upon cold start and any longer can be harmful to the engine. But my bike need me to open full throttle on cold start and hold it there until revs build up. It takes about 2 mins of holding at full throttle for this to happen and the the feeling while holding throttle is like no power, until it revs up 2 mins later. If I press ignition without any throttle or turn throttle off too early the bike will die. After 2 mins, I can let go of the throttle and idle will float around 1100 rpm. At that, I can move off but if I wait longer to see what happens, idle will eventually drop below 1000 rpm. This is my main problem as it means it will take quite long to move off from cold start. Other problems include rpm taking few seconds to climb at low rpm such as when moving off from stationary and engine braking can be quite harsh or sudden as soon as I close throttle. Not sure what the problem is, suspect that is something wrong with the carb. But the cause could lie elsewhere like rectifier or ignition coils or any vacuum leaks. Any advice from old birds here?

Hey bros, will officially be a member of the XJR gang as of this monday . Was wondering is anyone has a copy of a 2004/05 XJR400R service manual?

Sep 2023? I think I know which one haha. Ok bro, look forward to your update. Hope it's a good bike for you

Haven't boss. Found one but the coe expiring so not worth it

Looking to buy an XJR400, is anyone selling? If anyone selling XJR1300 I'd like to know too.