definitely go with a Wiesco Piston. I've heard good things about Cometic Gasket kits. Theres good replacement parts out there for nearly any bike. Check out websites like Motosport.com or RockyMountainATV.com .
Vforce 3 Reeds arent necessary but will improve your power a whole bunch. AfterMarket Pipe & silencer combo. An Aftermarket AirFilter would help it breath cleaner air. Get the Jetting spot on. Theres many things you can do to improve the power.
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2004 Cr125 - N-Style Graphics&seat cover(picture w/o SC), ProCircuit Works Pipe&R304 Shorty Silencer, UniFilter, Wiseco Pro-lite   |