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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Air leak at cylinder base/case. Help!!!!
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[QUOTE="crusty1, post: 1195578, member: 25112"] [b]Fix for air leak at cylinder base/case[/b] Had Eric bore and port my son's KX 85 to a 100 2 years ago. After our last rebuild last summer compression was only 140-145. He rode it all last summer but for this year I want to fix the problem. There's a visible air leak at the base of the cylinder (sprayed carb cleaner with engine running, not sure if that's a great idea or not but it really shows the air leak) and the cases. I'm semi clueless: how can you determine if it's the cylinder or the cases? I guess if I pull the cylinder I can put it on a piece of glass and check it that way but I sure you guys know a better/more accurae way. Also, it it's the cases, how to do you tell. Lastly, how much to solve these problems and who's really good at this? I"m in the Pacific NW (Oregon). Any advice on this? Thanks. Dennis [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Air leak at cylinder base/case. Help!!!!
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