Wiseco Std Piston Crankshaft Gasket Set for Yamaha Warrior Raptor 350 1987-2013

Wiseco Std Piston Crankshaft Gasket Set for Yamaha Warrior/Raptor 350

Complete Wiseco standard piston, crankshaft, and gasket set for Yamaha Warrior 350 and Raptor 350, giving a top and bottom end rebuild with matched components for 1987-2013 machines.

Overview

This Wiseco standard piston, crankshaft, and gasket set provides the core components to rebuild the top and bottom end of Yamaha Warrior 350 and Raptor 350 engines from 1987 through 2013. The kit pairs a standard bore piston with a crankshaft and the gaskets needed for reassembly, so one order covers the major wear parts in a single rebuild. It is suited to owners and shops restoring or refreshing a 350-class Yamaha sport ATV engine.

Built For Performance

• Wiseco forged piston built for high-compression, high-rpm four-stroke use
• Standard bore sizing keeps factory cylinder dimensions
• Crankshaft included for a matched bottom end rebuild
• Full gasket set covers top and bottom end sealing needs
• Components matched as a set for the Yamaha 350 engine family

Fits These Machines

• for Yamaha Warrior 350 (1987-2013)
• for Yamaha Raptor 350 (1987-2013)

On-The-Job Use

• Top end rebuild after piston or ring wear
• Bottom end service when crankshaft play is found
• Full engine refresh on a restored Warrior or Raptor 350
• Shop builds requiring matched piston and crank components

Specs At A Glance

Good To Know

Q: Do I need to bore the cylinder for this set? A: No, this is a standard bore piston set meant to work with a cylinder already at factory dimensions. Confirm your bore size before ordering.

Q: Is this an original Yamaha part? A: No, this is a Wiseco piston, crankshaft, and gasket set made for Yamaha Warrior 350 and Raptor 350 machines. It is an aftermarket rebuild kit, not an OEM Yamaha assembly.

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