Wrist Pin Bearing for Moto-Ski Mirage 300 1979 Snowmobile

Wrist Pin Bearing for Moto-Ski Mirage 300

This wrist pin bearing is a needle roller bearing that fits between the piston pin and connecting rod small end on the Moto-Ski Mirage 300 engine. It is intended for riders and mechanics rebuilding or servicing this classic snowmobile.

Overview

This wrist pin bearing serves as the top-end pivot between the piston and connecting rod on the Moto-Ski Mirage 300. It keeps the piston aligned and turning freely through every stroke. A fresh wrist pin bearing helps restore quiet, dependable running to the Mirage 300 engine.

Built For Performance

• Needle roller construction carries high reciprocating loads
• Caged rollers maintain even spacing for smooth rotation
• Hardened steel resists heat and friction wear
• Compact profile fits the connecting rod small end
• Direct replacement for the original bearing in the top end

Fits These Machines

• for Moto-Ski Mirage 300, 1979

On-The-Job Use

• Top-end rebuilds on the Mirage 300 engine
• Piston and ring replacement service
• Crank and rod inspection jobs
• Bringing a vintage Moto-Ski back into service

Specs At A Glance

Good To Know

Q: When should the wrist pin bearing be replaced? A: Replace it whenever the top end is apart for a piston or ring job, or sooner if you hear a knock or feel play in the old bearing. A worn bearing can damage the piston and rod if left in service.

Q: Will this bearing fit other Moto-Ski models? A: This listing is for the Mirage 300 from 1979. Confirm your model and engine size before ordering if you run a different machine.

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