Wiseco Forged Series Piston Kit with Gaskets - Yamaha YFZ350 Banshee (1987-2012) - 64.50mm Bore (+0.50mm Oversize) - 2-Stroke Liquid Cooled
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Wiseco Forged Series Piston Kit with Gaskets - Yamaha YFZ350 Banshee - +0.50mm Oversize
Premium Wiseco Forged Series piston kit for the legendary Yamaha YFZ350 Banshee 2-stroke sport ATV. +0.50mm OVERSIZE (64.50mm) for lightly worn cylinders!
⚠️ Oversize Piston - Cylinder Boring Required
This piston is +0.50mm oversize. Cylinder boring to 64.50mm is required for proper fit.
Kit Includes
- Forged Series Piston
- Ring Set
- Wrist Pin
- Circlips
- Wrist Pin Bearing
- Complete Gasket Kit
Key Features
- Forged Series - Dedicated forgings with optimized strength-to-weight ratio
- Engineered, forged and machined in the USA
- 2-STROKE ATV - Legendary Banshee twin cylinder
- Liquid Cooled
- 20 YEARS of fitment (1987-2006)!
Piston Specifications
- Bore Size: 64.50 mm (+0.50mm Oversize)
- Piston Diameter: 64.42 mm
- Stroke Length: 54.00 mm
- Material: 4032 Aluminum Alloy
- Skirt Coating: Non-Coated
Engine Specifications
- Displacement: 352cc (Twin cylinder)
- Engine Type: 2-Stroke
- Cooling: Liquid Cooled
- Weight: 2.15 lbs
Fitment
- Yamaha YFZ350 Banshee: 1987-2012
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
