Print Page - Piston ring gap

Title: Piston ring gap
Post by: skiracer on June 22, 2018, 04:49:29 PM

How far out can the gap be for a 250 motor?
Book says .018, I have .023.

1976 MC 5 Original Owner
1976 Penton 175 XC

Title: Piston ring gap
Post by: JP Morgen on June 23, 2018, 02:31:42 AM

Not a big concern, more important is piston to cylinder clearance.

Title: Piston ring gap
Post by: skiracer on June 23, 2018, 10:38:57 AM

Thanks JP! Piston is nice and tight; well within the measurements shown in the book.

Quotequote:Originally posted by JP Morgen

Not a big concern, more important is piston to cylinder clearance.

1976 MC 5 Original Owner
1976 Penton 175 XC

Penton Owners Group