SPI Standard Bore Piston Kit for Yamaha SRV 540 SR-V 540 fits 1980-1991 73mm

Standard Bore Piston Kit for Yamaha

This standard bore piston kit is designed for rebuilding Yamaha SRV 540 and SR-V 540 snowmobile engines from 1980-1991, featuring a 73mm bore size for reliable power restoration.

Overview

The standard bore piston kit for Yamaha SRV 540 engines provides a direct replacement piston and rings to restore compression and performance in 1980-1991 snowmobiles. This 73mm piston kit is the ideal choice when reboring is not needed, offering a precise fit for the original cylinder.

Built For Performance

• Standard 73mm bore size for direct replacement without cylinder boring
• Includes piston, rings, and wrist pin for a complete top-end rebuild
• Manufactured from high-strength aluminum alloy for durability
• Precision-machined ring grooves for proper ring seating
• Compatible with Yamaha SRV 540 and SR-V 540 models

Fits These Machines

• for Yamaha SRV 540 (1980-1991)
• for Yamaha SR-V 540 (1980-1991)

On-The-Job Use

• Snowmobile engine top-end rebuilds and overhauls
• Replacing worn pistons due to high mileage or scoring
• Restoring lost compression and power in two-stroke snowmobile engines
• Maintenance during off-season engine refresh

Specs At A Glance

Good To Know

Q: Does this piston kit include piston rings?A: Yes, the kit comes with piston rings and a wrist pin, so you have everything needed for a standard bore replacement.

Q: Can this piston be used with a rebored cylinder?A: This is a standard bore piston designed for original cylinder dimensions; if the cylinder is rebored, you need an oversized piston kit.

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