PISTON KIT VERTEX 77.0 D HC YAMAHA WR/YZ 250 19-22, VERTEX 24381D HC COMPR 14,7:1
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
Vertex UK piston kit 24381D high compression 14.7:1. Bore size is 77.00mm. 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: 56-R9414, Pin: 711195, Clips: 72055.
- SKU
- 24381D
- Brand
- Vertex
- Availability
- In Stock (1)
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
- 293619
FULL DESCRIPTION
Vertex High Compression Piston Kit 77.0mm
Enhance your motorcycle's performance with this high-quality Vertex piston kit. Engineered for superior power and reliability, this kit is designed to meet the demanding needs of high-performance engines.
Key Features:
- High Compression Ratio: Achieves a 14.7:1 compression ratio for increased power output.
- Complete Kit: Includes piston, rings, wrist pin, and circlips for a seamless installation.
- OEM Replacement Standards: Designed to meet or exceed original equipment manufacturer specifications.
- Advanced Heat Treatment: All pistons undergo a T-5 or T-6 hardening and tempering cycle for exceptional durability and heat resistance.
- Precision Bore Size: Features a bore size of 77.00mm (actual D measurement of 76.98mm) for a perfect fit.
- Durable Construction: Made in Italy with premium materials for long-lasting performance.
- Trusted by OEMs: Vertex pistons are frequently fitted as standard equipment on many original motorcycles.
Specifications:
- Bore Size: 77.00mm
- Compression Ratio: 14.7:1
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
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
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.