Quote:
Originally Posted by totalpits
the upgrade kit has a 14mm pin and new bigger piston and a bigger barrel
they are made for lifans but may fit other 125 engines
there's a vid online on how to fit them despise has one on pit source aswell it's same as fittinga 88 kit,
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thats why the 138 piston dont fit coz the gudgeon pin is around 13.5mm.
you can only fit if you replace the 125 crank with a 140 crank and the piston will then fit.cant fit this kit on a lifan 125 gearbox with clutch attached directly to crank.will only fit on lifan gearbox with clutch attached to primary gear first.
