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stock compression of a CRF250R??


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I was just wondering if anyone could tell me what the stock compression of a CRF250R is!? (OEM PISTON)

ive been thinkin bout putting a hi compression piston in my bike(12.5:1-13.0:1) but i was wondering what kind of compression a stock oem piston for my CRF has

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well thats good to know bout the fuel...i was also wndering tho if u wud have to change anything else motor wise if i threw in the 13.5:1 piston (timing, jetting exct.)

im pretty new to working on the mechanics of a bike so anyting is helpful!!

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well thats good to know bout the fuel...i was also wndering tho if u wud have to change anything else motor wise if i threw in the 13.5:1 piston (timing, jetting exct.)

im pretty new to working on the mechanics of a bike so anyting is helpful!!

No need to change anything.

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