Std Bore Pistons Pair for Moto-Ski Futura Nuvik 340 1975-1979

Std Bore Pistons - Pair for Moto-Ski

This pair of standard bore pistons is made for Moto-Ski Futura and Nuvik 340 snowmobiles from 1975 through 1979, restoring top-end compression in the 340cc engine.

Overview

These standard bore pistons for Moto-Ski are a direct-fit top-end replacement for the 340cc twin found in Futura and Nuvik models built between 1975 and 1979. Each piston is sized at standard bore to match an unworn or freshly honed cylinder, returning proper compression and clean combustion to your vintage sled. This piston pair for Moto-Ski is intended for riders and rebuilders keeping classic 340 machines on the snow.

Built For Performance

• Standard bore sizing keeps factory cylinder dimensions intact
• Sold as a matched pair for both cylinders of the 340 twin
• Machined piston body for consistent skirt clearance
• Ring grooves cut to accept standard rings
• Suited to rebuilds where plating or boring is not required

Fits These Machines

• for Moto-Ski Futura 340, 1975-1979
• for Moto-Ski Nuvik 340, 1975-1979

On-The-Job Use

• Top-end rebuilds on vintage trail sleds
• Restoration projects for 1970s Moto-Ski machines
• Compression recovery after piston scoring or seizure
• Seasonal maintenance on collector snowmobiles

Specs At A Glance

Good To Know

Q: Do I need to measure my cylinder before ordering? A: Yes, standard bore pistons only fit cylinders that are still within factory bore spec. If the cylinder has been bored or is scored, have it checked before purchase.

Q: Are wrist pins or rings included? A: This listing covers the piston pair only. Confirm whether rings, pins, and clips come with your order before starting the rebuild.

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