Std Bore Piston Rings for Ski-Doo Formula Mach 1 670 1993-1996

Std Bore Piston Rings for Ski-Doo Formula Mach 1 670 cc

These standard bore piston rings are made for the Ski-Doo Formula Mach 1 670 cc snowmobile engine and restore proper compression in the cylinder.

Overview

These standard bore piston rings fit the Ski-Doo Formula Mach 1 670 cc engine used from 1993 through 1996. The ring set seals the piston to the cylinder wall so combustion pressure stays where it belongs. Riders rebuilding a top end will find these piston rings sized to the factory standard bore.

Built For Performance

• Standard bore sizing matched to the 670 cc cylinder
• Ring set designed for the Formula Mach 1 engine platform
• Restores compression lost to worn or stuck rings
• Suited to top end rebuild and refresh work
• Direct fitment for the listed model years

Fits These Machines

• for Ski-Doo Formula Mach 1 670 cc 1993
• for Ski-Doo Formula Mach 1 670 cc 1994
• for Ski-Doo Formula Mach 1 670 cc 1995
• for Ski-Doo Formula Mach 1 670 cc 1996

On-The-Job Use

• Top end rebuilds after compression loss
• Routine freshening of a high hour 670 cc engine
• Trail and backcountry riding where reliable compression matters

Specs At A Glance

Good To Know

Q: Do I need to measure my cylinder before ordering? A: Yes, confirm the bore is still at standard size, because these rings are made for a standard bore piston and cylinder.

Q: Can I replace just the rings without a new piston? A: That depends on piston and cylinder condition, so inspect skirt wear and bore taper before deciding on a ring only rebuild.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.