Wiseco PK152 Yamaha Banshee Long Rod 2-Stroke Piston Kit 66.00mm +2.00mm Oversize

The Wiseco PK152 is a 66.00mm (+2.00mm oversize) long rod forged piston kit purpose-built for the Yamaha Banshee 2-stroke twin. Designed for use with a stroker crankshaft, this kit is part of Wiseco's 795 series and delivers the strength and precision demanded by high-performance ATV builds.

Key Features:

• 66.00mm bore diameter — +2.00mm oversize over the 64.00mm standard bore
• Long rod design — requires a stroker crankshaft (not compatible with stock crank)
• Forged from high-silicon, low-expansion aerospace aluminum alloy for superior strength, reduced weight, and improved heat transfer
• Nitrite-coated skirt for reduced friction and extended service life
• Dedicated forging optimized for the strength-to-weight ratio of each specific 2-stroke application
• CNC machined to precise tolerances for optimal cam shape profile and peak horsepower
• Engineered, forged, and machined in the USA in Mentor, OH

Kit Contents (per cylinder — kit covers 2 cylinders total):

• 2x Wiseco 795M06600 long rod forged pistons
• 2x Piston ring sets
• 2x Wrist pins
• 4x Circlips
• 2x Top-end wrist pin bearings
• Top-end gasket kit

Important Note: This long rod piston kit is intended for use with a stroker crankshaft only. A spacer plate or machined combustion chambers may also be required. Wiseco pistons must be used exclusively with Wiseco rings — ring types are not interchangeable. This kit covers both cylinders of the Banshee's parallel-twin engine.

Wiseco has been manufacturing high-performance forged pistons in the USA since 1941. All forging tooling is produced in-house, giving Wiseco complete control over every stage of manufacturing — from raw billet to finished skirt coating.