CG Road to 250CC

XLsior · 04-04-2024, 05:51 AM

what is the case opening diameter or cylinder skirt outside diameter?

Finding a bigger piston with a 15mm pin isn;t to big an issue aliexpress usually has those options if you look...

The big issue is whether or not a bigger jug will actually fit in a CG125 case.

TBH it would be better to just find a CG250 complete engine and do a total swap rather than trying to modify a smaller displacement engine.

04-04-2024, 05:51 AM	#2
XLsior Join Date: Aug 2020 Location: Australia Posts: 1,283	what is the case opening diameter or cylinder skirt outside diameter? Finding a bigger piston with a 15mm pin isn;t to big an issue aliexpress usually has those options if you look... The big issue is whether or not a bigger jug will actually fit in a CG125 case. TBH it would be better to just find a CG250 complete engine and do a total swap rather than trying to modify a smaller displacement engine.
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