Bore: 48.00mmCompression: 10.5:1 CompressionSizing: 1.00mm OversizeForged from high-silicon aluminum alloy for maximum strength and dependability.. Innovative forging design and piston skirt provide maximum horsepower and torque.. Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).. Oversize pistons require cylinder sleeving.. SPECIFICATIONS. Displacement: 75cc. Bore - Standard: 47.00mm. Bore - Actual: 48.00mm. Bore - Oversize: 1.00. Stroke: 41.4mm. Cylinders: 1. Compression Ratio - Actual: 10.5:1. Note: Cylinder boring required. ITEM CONTENTS. 1890XE - 48.00 mm Ring Set. CW13 - ROUND WIRE PIN LOCKS 13MM (PAIR). S592 - PistonPin 13mm x 1.535in. NonChromed SWThis item fits the following vehicle applications:compatible with Honda CRF70F 2011-2012compatible with Honda CRF70F 2004-2009compatible with Honda XR70R 1997-2003
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