Wiseco GP Series Piston Kit with Gaskets - Kawasaki KX85 (2001-2013) - 48.50mm Bore - 2-Stroke Race-Spec
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Wiseco GP Series Piston Kit with Gaskets - Kawasaki KX85 (2001-2013)
The Wiseco GP Series represents the pinnacle of 2-stroke piston technology for the Kawasaki KX85. Engineered for endurance racing and sustained high-RPM operation, this race-spec piston features advanced coatings and a single ring design for maximum performance - the same technology used by professional racers!
🏁 GP Series Race-Spec Features
- Electra Coated Crown - Maximum wear resistance and protection from detonation
- ArmorGlide® Skirt Coating - Protection from micro-welding, galling, and scuffing
- Racer's Choice Single Ring Design - Reduced friction and weight for maximum performance
- Titanium Nitride Coated CSA Ring - Premium ring coating for extended life
Kit Includes
- Wiseco GP Series Piston - Premium 4032 aluminum alloy with Electra + ArmorGlide®
- Ring Set - Single ring, titanium nitride coated
- Wrist Pin
- Circlips
- Wrist Pin Bearing
- Top End Gasket Set
Key Features
- GP Series design for professional-level racing performance
- 4032 aluminum alloy construction - optimized for 2-stroke applications
- Dual coating system - Electra crown + ArmorGlide® skirt for ultimate protection
- Single ring design for reduced friction and weight
- Complete top-end gasket kit included
- Wrist pin bearing included - everything for a complete rebuild
- Standard bore - direct OEM replacement
Important Notes
- Wiseco ring types are not interchangeable
- Wiseco pistons can be fitted only with Wiseco rings
- Cylinder sleeves must be purchased separately if needed
Piston Specifications
- Bore Size: 48.50 mm (Standard)
- Piston Diameter: 48.45 mm
- Stroke Length: 45.80 mm
- Material: 4032 Aluminum Alloy
- Skirt Coating: ArmorGlide® + Electra Crown
- Ring Design: Single Ring (TiN Coated)
- Style: GP Series
Engine Specifications
- Displacement: 84.9cc
- Engine Type: 2-Stroke
- Weight: 0.8 lbs
Fitment
- Kawasaki KX85: 2001-2013 (13 years!)
GP Series vs Pro-Lite
This GP Series piston features race-spec coatings and single ring design. For a standard non-coated piston (2014+), see our Pro-Lite kit (SKU 0903-1148).
Why Wiseco GP Series?
The GP Series is Wiseco's ultimate 2-stroke racing piston. The KX85 is one of the most competitive mini bikes, and this piston delivers the reliability junior racers need to win!
📦 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.
