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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Roadracing 125cc 2-stroke piston choice
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[QUOTE="fastwes, post: 699560, member: 20758"] If you don't want to replace pistons or rings all the time, which many top kart racers do, there is no doubt what to use. The RS 125 Honda piston is the only way to go. Its ring lasts even with wide exhaust ports and loose fit. Some people use Vertex or Wiseco with good results but change them every 2 hours. Cost doesn't matter to some people, or they get them very cheaply. I've had customers go 6 hours with RS pistons on engines highly tuned enough to win Nationals on large tracks. My opinion, cast is the only way to go! Wes Gilbert Boyesen Precision Porting PS. I have them in stock [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Roadracing 125cc 2-stroke piston choice
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