4674M08750 Wiseco .060 Piston Kit for Yamaha XT350 TT350 1985-1998 87.50mm 9:1

Piston Kit for Yamaha XT350 & TT350

This Wiseco .060 piston kit, part 4674M08750, provides a 87.50mm bore and 9:1 compression ratio for Yamaha XT350 and TT350 engines from 1985 through 1998.

Overview

This piston kit is a direct replacement option for Yamaha XT350 and TT350 models from 1985 to 1998. It is designed to restore compression and performance when the original piston has worn out. Riders who need a reliable piston kit for routine top-end work will find this a practical choice.

Built For Performance

• 87.50mm bore size with a .060 oversized fit
• 9:1 compression ratio for dependable power delivery
• Manufactured by Wiseco, part number 4674M08750
• Includes piston and rings for a complete top-end repair
• Forged construction suited to high-stress four-stroke engine operation
• Designed for Yamaha XT350 and TT350 engines

Fits These Machines

• for Yamaha XT350
• for Yamaha TT350

On-The-Job Use

• Top-end rebuilds on Yamaha XT350 and TT350 engines
• Restoring compression in worn or smoking engines
• Routine maintenance and repair in a workshop setting
• Trail and off-road riding after engine work

Specs At A Glance

Good To Know

Q: Does this kit fit my Yamaha XT350 or TT350? A: It is listed for XT350 and TT350 models from 1985 to 1998, but you should confirm the bore size and serial number before ordering. Q: Is this an original Yamaha part? A: No, this is a Wiseco piston kit, not an original Yamaha part, and it is described as fitting Yamaha models.

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