PISTON KIT VERTEX 77.0 B YAMAHA WR/YZ 250 16-19, VERTEX 24109B COMPR 13,5:1
Vertex UK Piston Kit 24109B, 77.00mm bore size. Compression ratio 13.5:1. Standard pistons and components are OEM replacements. Kits include piston, rings, wrist pin and circlips. All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Made in Italy. Replacement rings are sold individually. Specifications: Bore Size 77.00mm [B 76.96mm]. Replacement Parts: Rings 590277000005 SET, Pin 711195, Clips 72055. Cross Reference Numbers ONLY: Piston Assy 1SM-116A0-10-00, Piston (Std) 1SM-11631-10-00, Piston Ring Set (Std) 1SM-11603-00-00, Pin, Piston 1SM-11633-20-00, Circlip 93450-17129-00.
- SKU
- 24109B
- Brand
- Vertex
- Availability
- Out of Stock
FULL DESCRIPTION
Vertex Piston Kit - 77.00mm Bore, 13.5:1 Compression
This Vertex Piston Kit is designed for high-performance replacements, offering a 13.5:1 compression ratio and a 77.00mm bore size. Manufactured in Italy, Vertex pistons are recognized for their quality and are fitted as standard equipment on many OEM motorcycles.
Key Features:
- OEM replacement standard pistons and components.
- Complete kit includes piston, rings, wrist pin, and circlips.
- All pistons undergo a T-5 or T-6 hardening and tempering heat treatment cycle for enhanced durability.
- Replacement rings are available for individual purchase.
- Made in Italy.
Specifications:
- Bore Size: 77.00mm (Marked as B 76.96mm)
- Compression Ratio: 13.5:1
Included Components:
- Piston
- Rings
- Wrist Pin
- Circlips


