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Picture of 05-07 YAM YZ/WR250F 13.5:1CR 77MM(4881M) PISTON PK1384
Picture of 05-07 YAM YZ/WR250F 13.5:1CR 77MM(4881M) PISTON PK1384 Picture of 05-07 YAM YZ/WR250F 13.5:1CR 77MM(4881M) PISTON PK1384

05-07 YAM YZ/WR250F 13.5:1CR 77MM(4881M) PISTON PK1384

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05-07 YAM YZ/WR250F 13.5:1CR 77MM(4881M) PISTON PK1384
Manufacturer: Wiseco
Manufacturer part number: PK1384
Old price: $352.95
$251.83
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Contains all the necessary components for overboring or rebuilding your top end

Feature forged pistons, rings, wrist pins, circlips and top end gasket set

Manufacturer Part #: PK1384

Prop 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov.

Products specifications

Attribute name Attribute value
Product Series 4 Stroke Forged Series
Included Components Piston #4881M07700, Ring Set #7700YC, Wrist Pin #S742, CirClip #CW16, Gasket #W5921
Bore Diameter 77.00
Piston Diameter 76.95
Compression Ratio Actual 13.5:1
Material 2618
Skirt Coating Yes
Piston Oversize STD
Product Type Top End Kits
Category Hierarchy Powersports>Pistons>Top End Kits
Prop 65 - Short Label prop65warninglabel.jpg
Prop 65 (C, R or CR) CR
Prop 65 Yes/No Yes
EBAY Category ID 180159
Country of Origin US
Condition New
🚗 Compatible with
12 vehicles are compatible with this product · 2005–2013
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