WORKS EXHAUST PIPE 2001 Yamaha WR250F Maximum discharge voltage > 40

Maximum discharge voltage > 40 KV for engine speeds >3000 Rpm

A worn dirt scraper can heavily contribute to reduce the oil seal life time and effectiveness in operation 20% Reduction of friction

Threads are rolled after heat treating to insure maximum compressive stresses are retained

2015 Yamaha WR250F

WORKS EXHAUST PIPE 2001 Yamaha WR250F Maximum discharge voltage > 40The original Pro Circuit Works pipe offers unparalled performance and power for every two stroke application. Increased horsepower and torque gains will quickly be noticed across the entire rpm range. The unplated, oiled metal finish requires some maintenance, but really gives your bike that "Works Look".