2 SPI Standard Bore Piston Kits for Yamaha Enticer 340 fits 1978-1988 60mm

2 SPI Standard Bore Piston Kits for Yamaha

These two SPI standard bore piston kits are designed to replace the original pistons in Yamaha Enticer 340 snowmobile engines from 1978 to 1988 with a 60mm bore size.

Overview

This set of two SPI standard bore piston kits provides a direct replacement for Yamaha Enticer 340 models built between 1978 and 1988. Each kit includes a precision-machined piston, rings, and wrist pin to restore engine performance. The 60mm standard bore size ensures a proper fit for original cylinders in these classic snowmobile piston kits.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• Proper ring groove dimensions for optimal sealing
• Includes wrist pin and circlips for complete installation
• Designed to meet OEM specifications for compression and durability
• Standard bore eliminates need for cylinder boring in stock engines

Fits These Machines

• for Yamaha Enticer 340 (1978-1988)

On-The-Job Use

• Replacing worn pistons in snowmobile engines during top-end rebuilds
• Restoring compression and power in vintage Yamaha Enticer models
• Used in trail riding, light mountain, and recreational snowmobiling
• Ideal for DIY mechanics performing engine overhauls

Specs At A Glance

Good To Know

Q: What is the bore size of these piston kits? A: The bore size is 60mm standard, which matches the original factory specification for Yamaha Enticer 340 engines.

Q: Are these piston kits compatible with aftermarket cylinders? A: They are designed for standard bore cylinders; confirm your cylinder is within service limits before installing.

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