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250/350 Top-End Swap?


jc2
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Can anyone tell me if a 250 Italjet top-end will bolt straight onto a 350 Italjet bottom-end, or is there diff stud spacing, diff little end dia etc?

Edited by jc2
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  • 2 weeks later...

Hello Woody, Yes the 250 will fit directly onto the 350. If your doing the conversion because of lack of 350 piston and knowing a bultaco piston will fit, be aware the original 250 italjet bore (actually 238cc!) was chrome, so would need iron rings. Also bultaco small end smaller, but can be sorted with different caged roller small end bush.

Edited by ask greeves
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