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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Vertex Pistons?
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[QUOTE="stimps, post: 737604, member: 43698"] Had a single ring vertex in my Yz250 for about 20-30 hours. Stripped the engine for a refresh and found loads of blow by, way more than with the original piston that had done a whole season with the previous owner. Bought a complete new wiseco set. This has 2 rings like the original and the bike imediatley ran a lot better after the rebuild. I think the vertex was smaller than the wiseco and probably wears quicker with the single ring. I would not use vertex again but keep it as a spare with a new ring for emergencies. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Vertex Pistons?
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