Penton Owners Group

General Discussion => Penton Talk => Topic started by: Okiektm on April 18, 2025, 08:25:22 PM

Title: 152cc engine
Post by: Okiektm on April 18, 2025, 08:25:22 PM
What is the clearance of the piston to cylinder, when boreing out a Sachs cast iron cylinder to 152cc.

Thanks

Okie
Title: Re: 152cc engine
Post by: Cal Alexander on April 19, 2025, 10:55:06 PM
I'd go with .003"
Title: Re: 152cc engine
Post by: Okiektm on April 23, 2025, 04:16:15 PM
Its a cast iron cylinder .003in I think would be a bit tight.