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Yamaha MX & Off-Road Dirt Bikes
Too much Compression on a YZ250
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[QUOTE="del250, post: 1166173, member: 22269"] Thanks for the suggestions......can't double stack head gaskets, o-rings are used. I am leaning to one of the previous owners milling the head. We have used to compression guage on all sorts of engines and seems to be accurate. I haven't run it for any extended periods of time, there is a good chance that there is oil on the piston and rings "sealing" it more than normal. It sure kicks over like a son of a gun. I plan on using race gas for the most part anyway, but would like it to be pump gas friendly when we get out in the middle of nowhere here in SD. Any other suggestions would be cool. Thanks again. [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Too much Compression on a YZ250
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