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i can´t reach 100 km/hr
Joseph Ray said 2007-08-26 06:23
i own a yamaha xs250 for more than 10 years, i bought it secon hand. this past year i cant reach 100 km/hr. but i have made changes in my bike, i replace the rear spracket from 37 teeth to 32, and i think the air intake in my carburators are a bit high. what do you think?