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PISTON KIT VERTEX 77.0 A GP YAMAHA WR/YZ 250 16-19, VERTEX 24118A HC COMPR 13,7:1 GP RACERS CHOICE

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PISTON KIT VERTEX 24118A HC COMPR 13,7:1 GP RACERS CHOICE. BORE SIZE 77.00mm [A 76.95mm]. All Vertex Pistons Feature standard pistons and components as 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 STD. Replacement Parts: Rings 590277000005 SET, Pin 711195, Clips 72055. Cross reference numbers: Piston Assy 1SM-116A0-10-00, Piston (Std) 1SM-11631-10-00, Piston Ring Set (Std) 1SM-11603-00-00, Pin, Piston 1SM-11633-20-00, Circlip 93450-17129-00.

Specifications
SKU
24118A
Brand
Vertex
Availability
In Stock (1)

Fitments (5)

MakeModelYear
YAMAHAWR 250F2018
YAMAHAWR 250F2019
YAMAHAYZ 250F2016
YAMAHAYZ 250F2017
YAMAHAYZ 250F2018
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
77mm
Variant Id
282701
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Vertex GP Racer Choice Piston Kit

This Vertex GP Racer Choice Piston Kit is designed for high-performance applications, offering a compression ratio of 13.7:1. Vertex pistons are manufactured in Italy and are known for their quality and durability, often serving as Original Equipment Manufacturer (OEM) replacements.

Key Features:

  • High Compression Ratio: Features a 13.7:1 compression ratio for increased power output.
  • Complete Kit: Includes piston, rings, wrist pin, and circlips for a comprehensive replacement.
  • Heat Treated: All pistons undergo a T-5 or T-6 hardening and tempering cycle for enhanced strength and longevity.
  • OEM Quality: Manufactured to meet or exceed OEM specifications, ensuring a precise fit and reliable performance.
  • Made in Italy: Crafted with Italian engineering and manufacturing expertise.

Specifications:

  • Bore Size: 77.00mm [A 76.95mm]

Replacement Parts Available Separately:

  • Rings: 590277000005 SET
  • Pin: 711195
  • 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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