wah..i only spend $60 on petrol per month.. n 2T is Silkolene which is RM14 n cn last 4 1 n hlf month..been riding SP for 3 years n still maintaining 270km per full tank...mayb u shld check with e bike shop..I recommend u Ramesh at JB as I've been servicing my bike there since i bought it but a thing 2 take note..let Ramesh repair ur bike & not e coolies...
Hope I give u some ideas for ur bike..