
The Story
+3mm Big Bore Cylinder Kit designed for the 2017 Kawasaki KX250F. This ready-to-install, direct bolt-on kit increases displacement to 270cc and includes a matched Vertex piston for improved durability, performance, and reduced engine noise. Nickel Silicon Carbide plating ensures longevity, and no replating is required.
Features
- Direct bolt-on replacement with no replating required
- Increases displacement to 270cc with a 13.7:1 compression ratio
- Nickel Silicon Carbide plated for extended durability
- Includes matched Vertex piston for optimized performance
- Comes complete with all necessary components for installation
- Replacement Vertex piston, rings, clips, and pins available separately
- Manufactured in the U.S.A.
Specifications
- Part Number: 31012-K01
- Bore Size: 80mm (+3mm)
- Displacement: 270cc
- Compression Ratio: 13.7:1
- Uses Vertex Piston #24237
Included Items
- (1) Cylinder
- (1) Piston kit
- (1) Top-end gasket kit
- (1) Piston pin
- (2) Circlips
- (1) Ring set
Vehicle Fitments
- 2017 Kawasaki KX250F

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
+3mm Big Bore Cylinder Kit designed for the 2017 Kawasaki KX250F. This ready-to-install, direct bolt-on kit increases displacement to 270cc and includes a matched Vertex piston for improved durability, performance, and reduced engine noise. Nickel Silicon Carbide plating ensures longevity, and no replating is required.
Features
- Direct bolt-on replacement with no replating required
- Increases displacement to 270cc with a 13.7:1 compression ratio
- Nickel Silicon Carbide plated for extended durability
- Includes matched Vertex piston for optimized performance
- Comes complete with all necessary components for installation
- Replacement Vertex piston, rings, clips, and pins available separately
- Manufactured in the U.S.A.
Specifications
- Part Number: 31012-K01
- Bore Size: 80mm (+3mm)
- Displacement: 270cc
- Compression Ratio: 13.7:1
- Uses Vertex Piston #24237
Included Items
- (1) Cylinder
- (1) Piston kit
- (1) Top-end gasket kit
- (1) Piston pin
- (2) Circlips
- (1) Ring set
Vehicle Fitments
- 2017 Kawasaki KX250F




















