Wiseco GP Series Piston Kit with Gaskets - Kawasaki KX85 (2001-2013) - 48.50mm Bore - 2-Stroke Race-Spec

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!