2282M06850 Piston Kit for Yamaha SRX 440 1978-1980 Std 68.50 mm Wiseco

Piston Kit for Yamaha SRX 440

This Wiseco standard bore piston kit for Yamaha SRX 440 snowmobiles restores top end compression with a 68.50 mm piston, referencing OEM cross number 2282M06850.

Overview

This Wiseco piston kit for Yamaha SRX 440 models is a standard bore replacement engineered to bring worn top ends back to spec. The 68.50 mm piston kit for Yamaha SRX 440 machines includes the piston, rings, wrist pin, and circlips needed for a rebuild. It suits riders and mechanics servicing 1978 through 1980 SRX 440 engines.

Built For Performance

• 68.50 mm standard bore size for stock cylinder dimensions
• Wiseco forged piston construction for strength under high rpm
• Complete kit with piston, rings, wrist pin, and circlips
• Precision machined skirt and ring grooves for consistent sealing
• Cross reference 2282M06850 for easy part matching

Fits These Machines

• for Yamaha SRX 440 1978
• for Yamaha SRX 440 1979
• for Yamaha SRX 440 1980

On-The-Job Use

• Top end rebuilds on vintage SRX 440 snowmobile engines
• Restoring compression after piston scoring or ring wear
• Seasonal maintenance before winter riding
• Vintage snowmobile restoration projects

Specs At A Glance

Good To Know

Q: Does this kit fit my SRX 440? A: It is listed for 1978 through 1980 Yamaha SRX 440 models at standard bore, so confirm your cylinder has not been bored oversize before ordering.

Q: Is machine work required? A: Standard bore pistons typically need proper cylinder honing and clearance checks, so have a qualified machinist verify fit during assembly.

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