PISTON KIT VERTEX 77.0 C YAMAHA WR/YZ 250 16-19, VERTEX 24109C COMPR 13,5:1
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Vertex UK Piston Kit 24109C. 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. Replacement rings are sold individually. Made in Italy. Fitted in many OEM bikes as standard. Bore size 77.00mm [C 76.97mm]. Replacement parts: Rings 590277000005 SET, Pin 711195, Clips 72055. Cross reference numbers: 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
- 24109C
- Brand
- Vertex
- Availability
- In Stock (1)
Fitments (5)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WR 250F | 2018 |
| YAMAHA | WR 250F | 2019 |
| YAMAHA | YZ 250F | 2016 |
| YAMAHA | YZ 250F | 2017 |
| YAMAHA | YZ 250F | 2018 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 77mm
- Variant Id
- 282695
FULL DESCRIPTION
Vertex Piston Kit
This Vertex Piston Kit offers a high-performance replacement part designed for specific motorcycle applications. Engineered with precision, this kit aims to restore or enhance engine performance.
Key Features:
- High compression ratio of 13.5:1 for increased power output.
- Piston bore size of 77.00mm (76.97mm clearance).
- All Vertex Pistons are heat treated with a T-5 or T-6 hardening and tempering cycle for durability.
- Standard pistons and components are designed as OEM replacements.
- Kits include a piston, rings, wrist pin, and circlips for a complete installation.
- Replacement rings are available for separate purchase.
- Manufactured in Italy, ensuring quality craftsmanship.
- Fitted as standard equipment (STD) in many OEM motorcycles.
Specifications:
- Bore Size: 77.00mm [C 76.97mm]
- Compression Ratio: 13.5:1
Included Components:
- Piston
- Rings
- Wrist Pin
- Circlips
Replacement Parts Available:
- Rings Set: 590277000005 SET
- Pin: 711195
- Clips: 72055
QUESTIONS? JUST ASK
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
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
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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