PISTON KIT VERTEX 77.0 B YAMAHA YZ 250 01-04, VERTEX 22805B COMPR 12,5:1
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VERTEX PISTON KIT 22805B. 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 standard. BORE SIZE 77.00mm [B 76.95mm]. COMPRESSION 12.5:1. Replacement parts: Rings 590377000001 SET, Pin 715381, Clips 72055. Cross reference numbers ONLY: Piston (Std) 5NL-11631-10-00, Piston Ring Set (Std) 5NL-11603-00-00, Pin, Piston 5NL-11633-00-00, Circlip 93420-16086-00.
- SKU
- 22805B
- Brand
- Vertex
- Availability
- In Stock (2)
Fitments (4)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YZ 250F | 2001 |
| YAMAHA | YZ 250F | 2002 |
| YAMAHA | YZ 250F | 2003 |
| YAMAHA | YZ 250F | 2004 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 77mm
- Variant Id
- 282705
FULL DESCRIPTION
Vertex Piston Kit - 77.00mm Bore with 12.5:1 Compression
Enhance your motorcycle's performance with this premium Piston Kit from Vertex. Designed as an OEM replacement, this kit provides the quality and reliability you expect for your engine.
Key Features:
- Complete Kit: Includes piston, rings, wrist pin, and circlips for a full engine rebuild.
- High-Quality Construction: All pistons undergo a T-5 or T-6 hardening and tempering cycle for superior durability.
- Precision Bore Size: Features a bore size of 77.00mm.
- Performance Compression: Offers a compression ratio of 12.5:1 for improved power output.
- OEM Fitment: Standard pistons and components are designed to meet original equipment specifications.
- Italian Craftsmanship: Proudly manufactured in Italy, ensuring top-tier engineering and quality.
- Widely Used: Fitted as standard equipment on many OEM motorcycles.
Replacement Parts Available Separately:
- Rings: 590377000001 SET
- Pin: 715381
- Clips: 72055
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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.
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
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