PISTON KIT VERTEX 78.0 A HC HONDA CRF 250 08-09, VERTEX 23444A HC COMPR 13,5:1
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 23444A HC. Compression ratio 13.5:1. Bore size 78.00mm. Kits include piston, rings, wrist pin, and circlips. All Vertex pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings are sold individually. Made in Italy. Fitted as standard in many OEM bikes. Replacement parts: Rings 590278000002 SET, Pin 715380, Clips 72055. Cross reference numbers: RING SET, PISTON (STD) 13011-KRN-A10, PISTON 13101-KRN-A10, PIN, PISTON 13111-KRN-850, CLIP, PISTON PIN (16MM) 13115-KM7-700.
- SKU
- 23444A
- Brand
- Vertex
- Availability
- In Stock (1)
Fitments (2)
| Make | Model | Year |
|---|---|---|
| HONDA | CRF 250R | 2008 |
| HONDA | CRF 250R | 2009 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 78mm
- Variant Id
- 281439
FULL DESCRIPTION
Vertex Piston Kit HC 78.0mm - Honda CRF 250 (2008-2009)
This Vertex Piston Kit is designed as a high-compression replacement part for your motorcycle's engine. Engineered with precision, Vertex pistons are fitted as standard equipment on many OEM bikes, ensuring quality and reliability.
Key Features:
- High Compression (HC) with a compression ratio of 13.5:1.
- Bore size of 78.00mm (corresponding to A size at 77.95mm).
- Complete kit includes piston, rings, wrist pin, and circlips.
- All Vertex pistons undergo a T-5 or T-6 hardening and tempering heat treatment cycle for enhanced durability.
- Made in Italy, reflecting a commitment to quality manufacturing.
- Replacement rings are available for individual purchase.
Specifications:
- Bore Size: 78.00mm [A 77.95mm]
- Compression Ratio: 13.5:1
Replacement Parts:
- Rings: 590278000002 SET
- Pin: 715380
- Clips: 72055
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.