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Technical / What would give my bro's bike more power?
« on: December 30, 2009, 08:24:33 PM »
My brother has a yamaha xt250 (it's a 4-stroke), and it lacks EXTREMELY in power all around. it's brand spankin new so we know it doesn't have any recent engine prob's. the problem is, it always boggs down when you reach the high rpm, and it has terrible top and bottom end power. we considered getting an aftermarket exhaust for it but that can cost up to $800 for a full kit. so if there is some way to take off the rev limiter or adjust it's peak or just sumthing that would help the engine get more power. thanks for ideas.