Wiseco 687M07550 Forged Piston 75.50mm SL900 2-Stroke Replacement

The Wiseco 687M07550 is a forged replacement piston designed for the SL900 application with a 75.50mm bore diameter. Engineered for powersports enthusiasts and performance riders who demand reliability, this piston delivers the precision fit and durability Wiseco is known for across two-stroke and four-stroke platforms.

Key Features:

• High-Silicon Forged Aluminum Construction — Forged from low-expansion, high-silicon aluminum alloy for superior strength, reduced reciprocating weight, and improved heat transfer compared to cast pistons
• Diamond-Turned CNC Finish — Precision-machined on CNC turning centers to deliver a perfect bore fit with zero size variation, ensuring consistent performance right out of the box
• 75.50mm Bore Diameter — Oversize replacement option to restore proper clearances in worn cylinders and extend engine life
• Universal Cylinder Compatibility — Compatible with cast iron, chrome, Nikasil, and boron composite cylinder bore compositions
• Oversize Availability — Part of Wiseco's extensive oversize piston lineup; worn chrome, Nikasil, or boron composite cylinders can be resleeved to accept this oversize piston
• OEM-Quality Tolerances — Manufactured to tight tolerances for a drop-in fitment that meets or exceeds original equipment specifications

Wiseco has been a trusted name in forged piston technology for decades, supplying both competitive racers and recreational riders with high-performance components. The 687M07550 piston (also referenced as M07550) is a direct-fit solution for SL900 engines requiring a 75.50mm bore piston replacement.