You can buy a pipe, Ignition and a clutch kit from CT Racing. We bought this whole kit for our sons quad and it made a huge difference.
http://ctracing.com/new_page_3.htm
This is for the newer 4 strokes.
Approx. 45mph is the top speed of this machine.
about 50 mph or faster dipending on rider waight
tops out at 50-55 stock if you upgrade it even faster
There should be an adjustment screw on the throttle box on the handle bars or on the carburetor
50
30-50 mpg
Top speed of the Yamaha Breeze ATV is 40-50 mph.
the fastest racing ATV is the Polaris Outlaw 525, It goes 50 MPH. , SORRY. THE YAMAHA 700 RAPTOR IS THE FASTEST ATV OUT IVE RIDDEN BOTH AND THE RAPTOR IS FASTER new answer:i think the fastest three wheeler is the Yamaha z 250 im not sure what the top speed is but its the fastest thing ive ever drove
how do u tune the lt 50
50
About 50-55 MPH
Depending on if your looking for a new or used ATV the price will range greatly. The best buy on new ATV's is www.superiorpowersports.com/ATVs having 50% markdown on most ATV's.