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Discussion Starter · #1 ·
I am looking for a 50mm high compression piston, any ideas? Also is the head from a 2005 crf80 the same as the xr75 head? Reason I'm asking is because I have a crf80 and picked up an xr75 cylinder so I have better piston options and I seen a 50mm 11.5:1 piston for the xr75 but idk with the crf head if it will be less/more or same compression. I was going to try a piston from hi speed with a big dome and hope there was enough material to machine off but just trying to figure something out.
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