Wiseco .020 Piston Crankshaft Gasket Set for Yamaha Banshee 350 1987-2006

Wiseco .020 Piston, Crankshaft and Gasket Set for Yamaha Banshee 350

This Wiseco .020 piston, crankshaft and gasket set for Yamaha Banshee 350 provides the rotating assembly and sealing components needed for a top and bottom end rebuild on the 1987-2006 model years.

Overview

This Wiseco .020 piston, crankshaft and gasket set for Yamaha Banshee 350 pairs a mild oversize forged piston with a replacement crankshaft assembly and a complete gasket kit. The .020 oversize bore cleans up light cylinder wear while keeping more material in the bore than larger overbores. It suits riders and builders rebuilding a Banshee 350 engine that needs both ends refreshed.

Built For Performance

• Wiseco forged piston construction for strength under high rpm
• .020 oversize bore for cleaning up light cylinder wear
• Crankshaft assembly included for complete bottom end service
• Full gasket set covers top and bottom end sealing needs
• Piston, rings, pin and clips included for rebuild convenience
• Designed as a matched set for the Banshee 350 twin cylinder engine

Fits These Machines

• for Yamaha Banshee 350 (1987-2006)

On-The-Job Use

• Top and bottom end rebuilds on high-hour Banshee engines
• Fresh top end after cylinder boring to .020 oversize
• Crank replacement during full engine tear down service
• Restoring compression on a worn twin cylinder engine
• Refresh builds before a season of trail or dune riding

Specs At A Glance

Good To Know

Q: Does the .020 oversize require machine work? A: Yes, the cylinder must be bored and honed to match the .020 oversize piston before assembly. This smaller overbore leaves more cylinder wall material for future rebuilds.

Q: Can I install this without splitting the cases? A: A crankshaft replacement requires splitting the cases, so plan for full engine disassembly. The gasket set covers the seals and gaskets needed during reassembly.

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