Wiseco Top End Kit Standard Bore 85.00mm - 10.5:1 Compression - CK237

Features:

• Contains all the necessary components for overboring or rebuilding your top end
• Feature forged pistons, rings, wrist pins, circlips and top end gasket set

Specifications:

• Bore - Standard: 85.00mm
• Bore - Actual: 85.00mm
• Bore - Oversize: STD
• Stroke: 83.00mm
• Cylinders: 2
• Compression Ratio - Actual: 10.5:1 CR
• Skirt Coating: ArmorGlide

Item Contents:

• 40115M08500 - Yamaha Bolt '14-16 10.5:1 CR 8500XX
• 8500XX - 85.00MM RING SET
• CW28 - Round Wire Pin Locks 21mm (Pair)
• S656 - PISTON PIN-21MM X 50.85 X 13MM ID