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No.. If anything it makes it slower if you do not have the right muffler or exhaust system on it.
no
with a Yoshimura Cherry bomb, yoshimura rs-5 exhaust
An improved flow of air and fuel mix will make the scooter faster. You can do this with an aftermarket exhaust.
full exhaust and anything else to help air flow
aprox. 35-45mph depending on make /yr and style.
easiest way would be and exhaust and air box lid. The TRX's are way to restricted. If you get an exhaust make sure u have the jets adjusted
Get it tuned and ported a new aftermarket exhaust and a new ignition on it
new headers and exhaust can improve it by at least a hundred horse power
There are several ways to make a Yamaha TTR 250 faster. One way is to bore out the cylinder creating more cubic centimeters. Another is to have straight through exhaust.
Just like any other internal combustion powered vehicle, the first things to do would be to get a new exhaust, and a new air filter. For the air filter, I recommend k&n. For the exhaust you have choices based on the vehicle model. On 4-wheelers, its not hard to just get some exhaust piping and make your own using the stock manifold. If you want to get more complicated and expensive, upgrade your cam-shaft and get a big bore kit for you engine. If you do this, you will have to get a radiator upgrade to keep it cool. The last 2 steps will cost quite a bit of money so for now jusst go with the intake and exhaust. After you get the new air filter, you can take off the air box which will help too.Good Luck
intake exhaust cams valve timing stroker kit lower gearing sort of a general question....