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320 majesty


iommajesty
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Standard 250 bore is 70mm and max oversize is 72mm, so not sure what that piston is from. All of the YZ, DT etc share the same bore/stroke as the TY so it isn't from one of those. Could be a jet ski or snowmobile piston?

The 270cc Majesty kits that are on sale are 72mm pistons which is only the same as max oversize which actually gives 260cc, not 270cc. The 74mm piston will give about 275cc.

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