Std Bore Pistons for Ski-Doo Everest 340 1977-1979 Pair

Std Bore Pistons for Ski-Doo Everest 340

This pair of standard bore pistons is a top-end replacement set for 1977-1979 Ski-Doo Everest 340 snowmobiles, sized to the original cylinder bore.

Overview

These standard bore pistons for Ski-Doo Everest 340 models replace worn pistons during a top-end rebuild. Sized to the factory cylinder bore, they restore compression and reliable combustion in the 340 twin. A practical choice for vintage sled owners and mechanics keeping older Everest machines running.

Built For Performance

• Standard bore sizing matches the original cylinder diameter
• Cast piston construction suited to the Everest 340 twin engine
• Sold as a matched pair for a complete top-end refresh
• Piston skirt and ring land geometry built to OEM-style dimensions
• Designed for bolt-in fit without overboring the cylinders

Fits These Machines

• for Ski-Doo Everest 340 (1977-1979)

On-The-Job Use

• Top-end rebuild after scoring, seizure, or low compression
• Vintage sled restoration projects
• Routine rebuild during engine teardown
• Replacing worn pistons in a 340 twin before the season starts

Specs At A Glance

Good To Know

Q: Do these require boring the cylinders? A: No, these are standard bore pistons, so they install in cylinders still at the original factory bore size.

Q: Are these original Ski-Doo parts? A: No, these are aftermarket replacement pistons designed to fit the listed Ski-Doo Everest 340 models.

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