02-12-2019, 02:30 PM | #1 |
Join Date: Feb 2019
Posts: 1
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Compression Ratio for a 125 CC ?
What should the Compression be for a 125 CC ATV
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02-12-2019, 11:39 PM | #2 |
Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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My guess is that 130 is a good number. Are you having running problems?
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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02-13-2019, 09:26 AM | #3 |
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Join Date: Oct 2016
Location: Houma, La.
Posts: 11,571
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Should be around 145-170 psi. If you think it has low compression it may just be that the valves are to tight and need adjusting.
Here's a link to a service manual. http://www.google.com/url?sa=t&rct=j...Sbkg3xQw6Y2pZ7
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