20HP Polini Watercooled kit for Minarelli Horizontal Engines (or mopeds)

39.3mm stroke kit (sound familiar?) is amazingly close to Garelli, Hobbit, Peugeot, and Derbi flat reed.

47.6mm piston (yes, you have to bore your cases)

INSANE transfers and exhaust

I MIGHT have lost one of the o-rings. (can't remember)

$250 shipped.

https://www.sip-scootershop.com/en/products/racing+cylinder+polini+big_p1660110

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Re: 20HP Polini Watercooled kit for Minarelli Horizontal Engines (or mopeds)

And if you want it to have a decent squish you have to cut the bottom of the cyl to get the timing the same, and cut the cases, and add material for transfers. I'm doing one now. Lots of work but once it's done it'll rule

Re: 20HP Polini Watercooled kit for Minarelli Horizontal Engines (or mopeds)

Still for sale.

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