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08-02-2004, 01:08 PM

hawleywood

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max bore

what is the max bore of a 400 2-stoke without putting in a sleeve my friend had to bore to .080 and it looks like it has a lot of meat left on the walls
thanks

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08-02-2004, 01:50 PM

tbsleeper

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max bore

80 over is the max i believe

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08-02-2004, 02:04 PM

hawleywood

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max bore

is that the max of the bore or the largest piston you can buy before you go to a big bore kit?

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08-02-2004, 02:06 PM

tbsleeper

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max bore

not sure most places just advertise up to a .080 bore. u can def get bigger pistons its just wen u go over 80 its not that safe anymore

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08-02-2004, 02:20 PM

CED

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max bore

I think you can go up to .140,maybe Polarisfreak or Bubba can give us the scoop.

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08-02-2004, 02:44 PM

scrambler123

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max bore

hpd sells .180 pistons but they may require a sleeve im not sure.

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08-02-2004, 03:09 PM

POLARISFREAK

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max bore

You can go up to .180 with the stock sleeve, bummer is you have to go from .080 to .120 and you will have to have the billet head for it! Lots of torque though!

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max bore

max bore

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