2 SPI Standard Bore Pistons Kit for Yamaha SS 440 fits 1980-1985 SS440 - 66mm

2 SPI Standard Bore Pistons Kit for Yamaha SS 440

This SPI Standard Bore Pistons Kit includes two pistons designed to fit Yamaha SS 440 snowmobile engines from 1980 to 1985, providing reliable replacement parts for engine rebuilds. The kit features a 66mm bore size for standard bore applications.

Overview

The SPI Standard Bore Pistons Kit is a direct replacement for worn pistons in Yamaha SS 440 snowmobile engines. This two-piston set comes with 66mm bore pistons, ensuring proper fitment for 1980-1985 SS440 models. Whether rebuilding a tired engine or refreshing a classic snowmobile, this pistons kit delivers the performance needed for reliable operation.

Built For Performance

• Two pistons included for complete engine set
• 66mm standard bore size for matching cylinders
• Designed for Yamaha SS 440 engines 1980-1985
• Manufactured by SPI for reliable aftermarket replacement
• Direct fit without modification for standard bore engines

Fits These Machines

• for Yamaha SS 440 (1980-1985)

On-The-Job Use

• Rebuilding a Yamaha SS 440 snowmobile engine
• Restoring a vintage snowmobile to original condition
• Replacing worn pistons to restore compression and power
• Performing a top-end engine overhaul

Specs At A Glance

Good To Know

Q: Are these pistons compatible with Yamaha SS 440 engines? A: Yes, these pistons are designed for Yamaha SS 440 snowmobile engines from 1980 to 1985. Verify your engine serial number for exact compatibility.

Q: What is the bore size of these pistons? A: The bore size is 66mm, suitable for standard bore cylinders.

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