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PISTON KIT VERTEX 80.0 B KAWASAKI KX/KXE 250 04-09, VERTEX 23405B SUZUKI RMZ 250 OS +3.00 BIG BORE

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Vertex UK piston kit 23405B. High compression ratio 12.6:1. 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 are sold individually. Made in Italy. Fitted in many OEM bikes as standard. Bore size 80.00mm. Big Bore +3.00mm [B 79.97mm]. Replacement parts include rings (590280000001 SET), pin (715380), and clips (72055).

Specifications
SKU
23405B
Brand
Vertex
Availability
In Stock (1)

Fitments (19)

MakeModelYear
KAWASAKIKX 250F2004
KAWASAKIKX 250F2005
KAWASAKIKX 250F2006
KAWASAKIKX 250F2007
KAWASAKIKX 250F2008
KAWASAKIKX 250F2009
KAWASAKIKXE F 2502004
KAWASAKIKXE F 2502005
KAWASAKIKXE F 2502006
KAWASAKIKXE F 2502007
KAWASAKIKXE F 2502008
KAWASAKIKXE F 2502009
SUZUKIRM-Z 2502004
SUZUKIRM-Z 2502005
SUZUKIRM-Z 2502006
YAMAHAYZ 450F2006
YAMAHAYZ 450F2007
YAMAHAYZ 450F2008
YAMAHAYZ 450F2009
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
80mm
Variant Id
281957
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Vertex High Compression Piston Kit

This Vertex Piston Kit is designed to enhance engine performance with a high compression ratio. Manufactured in Italy, Vertex pistons are known for their quality and are fitted as standard equipment on many OEM motorcycles.

Key Features:

  • High Compression Ratio: 12.6:1 for increased power output.
  • Big Bore Size: 80.00mm, representing a +3.00mm oversize.
  • Complete Kit: Includes piston, rings, wrist pin, and circlips for a full replacement.
  • Heat Treated: All pistons undergo a T-5 or T-6 hardening and tempering cycle for durability.
  • OEM Replacement Standard: Components meet original equipment specifications.
  • Durable Construction: Made in Italy with a focus on quality and performance.

Specifications:

  • Bore Size: 80.00mm (Big Bore +3.00mm)

Replacement Parts Available Separately:

  • Rings: 590280000001 SET
  • Pin: 715380
  • Clips: 72055
Before you buy

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

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