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Jul 24, 2003 | 10:39 PM

RideRedEX

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Weekend Warrior

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300EX

Whats the largest bore you can go on a 300ex without a sleeve??

Jul 24, 2003 | 11:07 PM

ThreeWRacer

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300EX

i think you can only go .040 over

Jul 25, 2003 | 12:58 AM

ridinsmooth

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300EX

yea ThreeWRacer is right

Jul 25, 2003 | 01:22 AM

RideRedEX

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Weekend Warrior

Joined: Jul 2003

Posts: 20

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300EX

I have a 77mm piston in mine, what bore would that be?

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