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Description

KP Big Bore Kits are a premium kit to increase engine displacement. Bore is increased from 83mm to 86mm which will just about turn your 1.5L powerhouse into a 1.6L. Pistons are forged with our premium ring pack, premium head gaskets and a bored out premium Nikasil Cylinder. That’s right! No cast iron sleeves, these are Nikasil. Add extra Horsepower to your race or daily machine! Extra fuel needed. Cylinder core required. N/A Kits have an option to add the appropriate parts to upgrade the fuel system, please check out our bolt on big bore fuel system upgrades.

Additional information

Weight 12 lbs
Dimensions 18 × 12 × 12 in
Big Bore Kit

Kawasaki Ultra 250/260 9.5:1 86.00mm, Kawasaki Ultra 300/310 9.5:1 86.00mm, 15F/SXR/STX 160/Ultra LX Lightweight Forged 12.5:1 86.00mm, 15F/SXR/STX 160/Ultra LX Lightweight Forged 13.5:1 86.00mm, 15F/SXR/STX 160/Ultra LX Lightweight Forged 14.5:1 86.00mm

OEM Part #

13001-3701, 13001-3705, 13001-3714, 13001-3704, 13001-3020, 13001-3023, 13001-3741, 13001-3740, 13001-3738, 13001-3737, 13001-3731, 13001-3730, 13001-3736, 13001-3734

Condition

Brand

KP

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Compatible vehicles

MakeModelYear
KawasakiSTX 12F2003-2007
KawasakiSTX 15F2004-2019
KawasakiSTX 1602020-2025
KawasakiSTX2009-2010
KawasakiSXR 1500/1602017-2026
KawasakiUltra 1602023-2026
KawasakiUltra 2502007-2008
KawasakiUltra 2602009-2010
KawasakiUltra 3002011-2013
KawasakiUltra 3102014-2026
KawasakiUltra 3102022-2026
KawasakiUltra LX2007-2022

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