Wiseco 4704M09800 Forged Piston Kit Compression Suzuki - 98mm 12 1 TL1000R

The Wiseco 4704M09800 is a high-performance forged piston kit designed specifically for the Suzuki TL1000R, featuring a 98.00mm bore diameter and an aggressive 12:1 compression ratio for maximum power output. Built from high-silicon aluminum alloy using an exclusive forging process, this piston delivers superior strength, reduced weight, and extended service life compared to cast alternatives.

Key Features:

• 98.00mm bore diameter (3.858" cylinder bore) — standard fitment for Suzuki TL1000R engines
• 12:1 compression ratio — optimized for high-performance street and track applications
• 22.00mm wrist pin diameter for a precise, high-strength connection to the connecting rod
• Forged from aerospace-grade high-silicon aluminum alloy for improved tensile strength and impact resistance
• Dedicated forging design allows for an optimized strength-to-weight ratio specific to this engine application
• Engineered, forged, and CNC-machined in the USA at Wiseco's facility in Mentor, OH
• Innovative piston skirt design maximizes horsepower and torque delivery
• Built to tight tolerances for the ultimate combination of performance and reliability

Kit Includes:

• Forged piston (single)
• Piston ring set (ring series 3858XS)
• Wrist pin
• Circlips

Wiseco part number 4704M09800 supersedes the earlier part number 4704PS. This piston is also available as part of the complete top-end kit CK112, which includes a pair of pistons and MLS head gaskets. For a complete engine rebuild, the CK112 kit pairs these pistons with Wiseco W5888 / C8502 MLS head gaskets.