PISTON KIT VERTEX 77.0 A HC YAMAHA WR/YZ 250 19-22, VERTEX 24381A HC COMPR 14,7:1
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
PISTON KIT VERTEX 24381A HC COMPR 14,7:1. Bore size 77.00mm [A 76.95mm]. 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 sold individually. Made in Italy.
- SKU
- 24381A
- 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
- 290157
FULL DESCRIPTION
Vertex High Compression Piston Kit
Elevate your motorcycle's performance with the Vertex High Compression Piston Kit. Engineered for increased power and responsiveness, this kit is designed to be a premium upgrade for your engine.
Key Features:
- High Compression Ratio: Features a 14.7:1 compression ratio for enhanced power output.
- Complete Kit: Includes the piston, piston rings, wrist pin, and circlips for a comprehensive replacement.
- Durable Construction: All Vertex pistons undergo a T-5 or T-6 hardening and tempering cycle for superior durability and heat resistance.
- OEM Quality: Vertex pistons are manufactured in Italy and are often fitted as standard equipment on OEM bikes, ensuring excellent quality and fit.
- Precision Bore Size: Bore size is precisely 77.00mm, with an actual piston measurement of 76.95mm for a snug, efficient fit.
Replacement Parts Available:
- Rings: 56-R9414
- Pin: 711195
- Clips: 72055
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
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
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.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.