stock compression on a 400ex

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Dec 29, 2003 | 10:42 PM

Yamaha660R

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stock compression on a 400ex

what is the stock compression on a 400ex???

Dec 30, 2003 | 01:07 AM

moto93

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stock compression on a 400ex

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Originally posted by: Yamaha660R
what is the stock compression on a 400ex???

9:1

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