A steel crankshaft assembly for Yamaha YZ 85 two-stroke models, supplied as Wiseco WWCA172. This unit features a 47.80 mm stroke, includes the piston pin bearing, and corresponds to OEM reference B4B-11400-00.

Features

• Supplied as Wiseco part WWCA172

• Includes piston pin bearing

Specifications

• Engine type: 2-stroke

• Stroke: 47.80 mm

• Material: Steel

Cross-Reference OEM Part Numbers

• B4B-11400-00

Vehicle Fitments

• Yamaha YZ 85 (2019–2026)