Wiseco Pistons 645M04900 Off-Road Piston - 49.00mm 2-Stroke Kit

The Wiseco 645M04900 is a high-performance 49.00mm piston kit designed for 1991-2001 Suzuki RM80 two-stroke off-road motorcycles. Engineered for riders demanding maximum reliability and performance, this Pro-Lite piston delivers proven durability in demanding dirt bike applications.

Key Features:

• Forged from high-silicon aluminum alloy for superior strength and heat resistance
• Innovative forging design maximizes horsepower and torque output
• Optimized piston skirt geometry reduces friction and engine wear
• Complete kit includes piston, rings, wrist pin, and circlips
• 49.00mm bore diameter for stock replacement or rebuild applications
• Pro-Lite construction balances strength with reduced reciprocating weight

Wiseco pistons are manufactured in the USA to exacting tolerances and undergo rigorous quality control testing. Each piston features precision-machined ring grooves and pin bores for optimal seal and longevity. The high-silicon aluminum alloy composition provides excellent wear characteristics and thermal stability under high-RPM racing conditions.

Application Note: This piston is designed for stock bore applications. Oversize pistons require proper cylinder machining or sleeving by a qualified machine shop.