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Discussion Starter #1
im having trouble finding a spec for the compression on my 2001 88"twin cam.i recently checked the compression and it 95 on the front jug and 105 on the rear. is this good bad or ugly?
 

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Discussion Starter #5
thanks guys trying again tomorrow the right way with throttle open.cold engine and hot just to see the difference
 

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just picked up a "basket" 1999 fxdwg, did a compression check. both cylinders at 170. what mods would make this compression. bike history very iffy
 

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Did you crank it with both plugs out and grounded with the throttle wide open?? 95/105 is low.

My 2005 88" has 165# F&R...
How is grounding going to affect the compression test?

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yeah

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