2018 crf250 piston life

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2/20/2018 2:09 PM

Can any of you guys let me know what sort of hours you are replacing the top end on the new crf 250 please

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2/20/2018 5:48 PM

40 hours.

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2/20/2018 5:57 PM

I always did rings at 40 or 50 piston and valves 100

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2/20/2018 6:32 PM

50




































years

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2/20/2018 7:16 PM

RCF wrote:

I always did rings at 40 or 50 piston and valves 100

What about the crank?

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2/20/2018 8:20 PM

No different than the previous model.

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"Nothing happens until something moves"

2/20/2018 8:21 PM

RCF wrote:

I always did rings at 40 or 50 piston and valves 100

brocsdad wrote:

What about the crank?

Never owned one long enough for the crank to go bad.

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