PISTON KIT 12-13 YZF250 77.00, PROX 01.2412.B, 3-RING
ProX Piston Kit 77.00 mm Bore STD Compression 13.5:1. This 3-ring piston kit is ready to install and supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on the latest CNC equipment and use a low-expansion, low-friction piston alloy. The kit uses an OEM style tin coating to assist the break-in process. Replacement parts include ProX ring set 02.2402, ProX pin 04.1641.9, and ProX clips 05.1612C. SKU 56-W108.00B.PX, Manufacturer Part Number 01.2412.B.
- SKU
- 56-W108.00B.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
FULL DESCRIPTION
ProX Piston Kit - 77.00 mm Bore
This ProX Piston Kit is designed for optimal performance and durability. It features a 77.00 mm bore and a standard compression ratio of 13.5:1, making it ready for immediate installation.
ProX pistons are meticulously crafted using advanced CNC equipment and employ a low-expansion, low-friction piston alloy, mirroring the materials used by major Japanese engine manufacturers. This ensures consistent performance and longevity.
Each ProX Piston Kit includes all necessary components for a complete installation:
- Piston rings
- Wrist pin
- Circlips
The piston is treated with an OEM-style tin coating. This coating aids in the crucial break-in process when your machine is first started, promoting smoother operation and extended component life.
Key Features:
- Bore Size: 77.00 mm
- Compression Ratio: 13.5:1
- Rings Included: 3-ring design
- Included Components: Piston, rings, wrist pin, and circlips
- Material: Low-expansion, low-friction alloy
- Surface Treatment: OEM-style tin coating for break-in


