2Bros Parts

PISTON KIT VERTEX 97.0 B HC YAMAHA WR/YZ 450 14-18, VERTEX 23959B HC COMPR 13,5:1

$261.91

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Delivery to United States 5–8 business days

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Vertex UK Piston Kit 23959B HC Compr 13.5:1. All Vertex Pistons Feature: 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 STD. Specifications: Bore Size 97.00mm [B 96.95mm]. Replacement Parts: Rings 590297000004 SET, Pin 715405, Clips 72074. Cross reference numbers ONLY: Piston Assy 1SL-116A0-00-00, Piston (Std) 1SL-11631-00-00, Piston Ring Set (Std) 33D-11603-00-00, Pin Piston 33D-11633-00-00, Circlip 93450-19052-00.

Specifications
SKU
23959B
Brand
Vertex
Availability
In Stock (2)

Fitments (6)

MakeModelYear
YAMAHAWR 450F2016
YAMAHAWR 450F2017
YAMAHAWR 450F2018
YAMAHAYZ 450F2014
YAMAHAYZ 450F2015
YAMAHAYZ 450F2016
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
97mm
Variant Id
282767
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Vertex High Compression Piston Kit

Enhance your motorcycle's performance with this Vertex High Compression Piston Kit. Designed as a direct replacement for OEM specifications, this kit ensures a perfect fit and reliable operation.

All Vertex pistons undergo a T-5 or T-6 hardening and tempering cycle for superior durability and heat resistance. This commitment to quality means Vertex pistons are fitted as standard equipment on many OEM motorcycles.

Key Features:

  • High Compression Ratio: 13.5:1 for increased power output.
  • Complete Kit: Includes piston, rings, wrist pin, and circlips.
  • Durable Construction: Pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.
  • OEM Quality: Standard pistons and components meet or exceed original equipment standards.
  • Made in Italy: Ensuring high-quality manufacturing.

Specifications:

  • Bore Size: 97.00mm

Replacement Parts Available:

  • Rings: 590297000004 SET
  • Pin: 715405
  • Clips: 72074
Before you buy

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.

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