PISTON KIT VERTEX 97.0 C YAMAHA YZ/WR 450 18-20, VERTEX 24270C COMPR 12,7:1
VERTEX Piston Kit 24270C with a bore size of 97.00mm. This kit includes a piston, rings, wrist pin, and circlips. All Vertex pistons are heat-treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings, pins, and clips are available separately. Made in Italy. Fits YAMAHA WR 450F 2019-2020 and YAMAHA YZ 450F 2018-2019 models with a compression ratio of 12.7:1. Cross reference numbers include: Piston Assy BR9-116A0-00-00, Piston (Std) BR9-11631-00-00, Piston Ring Set (Std) 33D-11603-00-00, Pin, Piston BR9-11633-00-00, and Circlip 93450-19052-00.
- SKU
- 24270C
- Brand
- Vertex
- Availability
- In Stock (1)
FULL DESCRIPTION
Vertex Piston Kit - 97.0mm Bore, 12.7:1 Compression
This Vertex Piston Kit is designed to provide a high-quality replacement for your motorcycle's engine. Vertex pistons are engineered to meet or exceed Original Equipment Manufacturer (OEM) standards, ensuring a reliable and precise fit. This kit includes all the necessary components for a complete piston replacement.
Key Features:
- Standard replacement pistons and components designed as OEM equivalents.
- Kit includes piston, rings, wrist pin, and circlips for a complete installation.
- All pistons undergo a T-5 or T-6 hardening and tempering heat treatment cycle for enhanced durability.
- Replacement rings are available for separate purchase.
- Manufactured in Italy, known for precision engineering.
- Fitted as standard equipment on many OEM motorcycles.
Specifications:
- Bore Size: 97.00mm (Nominal) [Closest Measurement: 96.97mm]
- Compression Ratio: 12.7:1
Included Components:
- Piston
- Rings
- Wrist Pin
- Circlips


