PISTON KIT VERTEX 79.0 YAMAHA WR/YZ 250 01-14, VERTEX 23127200 OS +2.00 BIG BORE COMPR 12,5:1
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Vertex UK piston kit. 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. Replacement rings are sold individually. Made in Italy. Fitted in many OEM bikes as STD. Bore size 79.00mm, oversize +2.00 [a 78.96mm]. Big Bore Compr. 12.5:1. Replacement parts: Rings 590379000001 SET, Pin 715381, Clips 72055. Cross reference numbers: Piston (Std) 5NL-11631-20-00, Piston Ring Set (Std) 5NL-11603-00-00, Pin, Piston 5NL-11633-00-00, Circlip 93420-16086-00.
- SKU
- 23127200
- Brand
- Vertex
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 79.00mm
- Variant Id
- 282674
FULL DESCRIPTION
Vertex Piston Kit Big Bore 79.00mm Oversize +2.00
This Vertex Piston Kit is designed for high-performance applications, offering an oversized 79.00mm bore size. It features a compression ratio of 12.5:1, ideal for boosting power and torque.
All Vertex Pistons are manufactured in Italy and undergo a T-5 or T-6 hardening and tempering cycle for enhanced durability and performance. This kit is built to meet or exceed OEM specifications and is supplied with all necessary components for installation.
Key Features:
- Oversize Bore: 79.00mm (specifically 78.96mm) for a +2.00 oversize application.
- High Compression Ratio: 12.5:1 for increased engine performance.
- Complete Kit: Includes piston, rings, wrist pin, and circlips.
- Durable Construction: Pistons are heat-treated with a T-5 or T-6 hardening and tempering cycle.
- OEM Quality: Vertex pistons are fitted as standard equipment on many OEM motorcycles.
- Made in Italy: Ensures high-quality manufacturing standards.
Replacement parts such as rings, pins, and clips are also available separately.
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UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
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