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Showing results for tags 'compression'.
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What would be the compression on a 1995 Polaris sportsman 400 4x4 ?? Have one in great shape plastic is almost like new and the engine only has 90 psi which I figure is Capulet ... brendan
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i recieved a 1997 polaris big boss 400 6x6 and need to know what the compression #s should be on a new motor
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I have not been able to start my 300ex that I just got off a guy. I was able to getting it running once, then never again. After a week of trying to make it run I got a compression tester and it is saying about 30 psi. Is this definitely the rings just worn out or can it be something elses? I can't even make it pop when I spray stater fluid in it.
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- compression
- low compression
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Have a 01 worrior have no compression on head but sucking on the tail pipe. Pulled inspection plate and valve and cam are moving ok. Any ideas ? Thanks
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hey guys, i just recently installed a wiseco piston that increases my compression from stock which is 9.0:1 to 10.5:1. I am wondering if i have to do any jetting work in the carb, if i should run any different plugs (colder or hotter than stock), what octane fuel you would recommend (im thinking 91 or higher), and also what would be the best way for breaking everything in... im thinking some extra information might be useful before i fire this thing up thanks for the help guys!
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- compression
- increased
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does anyone know the proper compression for a yfz 450?
- 7 replies
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- compression
- yamaha
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