PISTON KIT VERTEX 80.0 C YAMAHA WR/YZ 250 19-22, VERTEX 24405C OS+3:00 BIG BORE COMPR 13.8:1
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
PISTON KIT VERTEX 24405C. Big Bore +3.00, 80.00mm bore size with C 79.97mm. Compression ratio 13.8:1. 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, pin, and clips are sold individually. Made in Italy. Fitted in many OEM bikes as standard.
- SKU
- 24405C
- 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
- 80mm
- Variant Id
- 293398
FULL DESCRIPTION
Vertex Big Bore Piston Kit
This Vertex Big Bore Piston Kit is designed to enhance the performance of your motorcycle. Each kit includes the piston, rings, wrist pin, and circlips, providing a comprehensive solution for engine upgrades.
Key Features:
- Big Bore Sizing: Features a bore size of 80.00mm, with an OS +3.00 specification (actual piston measurement is 79.97mm) for increased displacement.
- High Compression Ratio: Offers a compression ratio of 13.8:1 for improved power output and throttle response.
- OEM Quality: Vertex pistons are manufactured to meet or exceed Original Equipment Manufacturer (OEM) standards, ensuring a perfect fit and reliable performance.
- Heat Treated: All Vertex pistons undergo a T-5 or T-6 hardening and tempering cycle for enhanced durability and resistance to heat and stress.
- Complete Kit: Includes piston, rings, wrist pin, and circlips for a straightforward installation.
- Durable Construction: Made in Italy with a focus on quality and precision engineering.
- Replacement Parts Available: Replacement rings, pins, and clips are available separately for future maintenance needs.
This piston kit is an ideal choice for riders seeking a significant performance upgrade for their off-road machines.
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.