PISTON KIT VERTEX 77.0 B YAMAHA WR/YZ 250 19-22, VERTEX 24371B COMPR 13,8:1
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Delivery to United States 5–8 business days
Vertex UK Piston Kit 24371B. 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: 77.00mm (A 76.96mm). Replacement parts include rings 56-R9414, pin 711195, and clips 72055.
- SKU
- 24371B
- Brand
- Vertex
- Availability
- Out of Stock
Fitments (3)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WR 250F | 2020 |
| YAMAHA | YZ 250F | 2019 |
| YAMAHA | YZ 250F | 2020 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 77mm
- Variant Id
- 290155
FULL DESCRIPTION
Vertex Piston Kit - 77.00mm Bore, 13.8:1 Compression
Upgrade your engine's performance with this high-quality Vertex Piston Kit. Designed for precision and durability, this kit provides an OEM replacement solution engineered for optimal power and reliability. Each piston is manufactured in Italy and undergoes rigorous heat treatment with a T-5 or T-6 hardening and tempering cycle, ensuring superior strength and longevity.
Key Features:
- Complete Kit: Includes piston, rings, wrist pin, and circlips for a comprehensive replacement.
- High Compression Ratio: Features a 13.8:1 compression ratio for increased power output.
- Precise Bore Size: Piston bore size is 77.00mm with an actual measurement of 76.96mm for a perfect fit.
- OEM Standard: Pistons and components meet or exceed OEM specifications, often fitted as standard equipment on many motorcycles.
- Durable Construction: All pistons are heat treated (T-5 or T-6) for enhanced strength and resistance to wear.
- Italian Made: Manufactured in Italy, ensuring high standards of quality and craftsmanship.
- Replacement Parts Available: Individual replacement rings, pins, and clips are available for continued use.
Specifications:
- Bore Size: 77.00mm
- Actual Piston Diameter: 76.96mm
- Compression Ratio: 13.8:1
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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.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. 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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