2Bros Parts

PISTON KIT VERTEX 52.5 B YAMAHA YZ 85 02-18, VERTEX 23628B OS+5.00 SUPERMINI BIG BORE

£172.09

4.1 Trustpilot 99.9% positive on eBay

Free UK delivery 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

1

PISTON KIT VERTEX 23628B. 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. BORE SIZE. 52.50mm BIG BORE +5.00 [B 52.45mm]. Replacement Parts. Rings. 53010005250. Pin. 715286. Clips. 72050.

Specifications
SKU
23628B
Brand
Vertex
Availability
In Stock (2)

Fitments (34)

MakeModelYear
YAMAHAYZ 852002
YAMAHAYZ 852003
YAMAHAYZ 852004
YAMAHAYZ 852005
YAMAHAYZ 852006
YAMAHAYZ 852007
YAMAHAYZ 852008
YAMAHAYZ 852009
YAMAHAYZ 852010
YAMAHAYZ 852011
YAMAHAYZ 852012
YAMAHAYZ 852013
YAMAHAYZ 852014
YAMAHAYZ 852015
YAMAHAYZ 852016
YAMAHAYZ 852017
YAMAHAYZ 852018
YAMAHAYZ SUPERMINI 852002
YAMAHAYZ SUPERMINI 852003
YAMAHAYZ SUPERMINI 852004
YAMAHAYZ SUPERMINI 852005
YAMAHAYZ SUPERMINI 852006
YAMAHAYZ SUPERMINI 852007
YAMAHAYZ SUPERMINI 852008
YAMAHAYZ SUPERMINI 852009
YAMAHAYZ SUPERMINI 852010
YAMAHAYZ SUPERMINI 852011
YAMAHAYZ SUPERMINI 852012
YAMAHAYZ SUPERMINI 852013
YAMAHAYZ SUPERMINI 852014
YAMAHAYZ SUPERMINI 852015
YAMAHAYZ SUPERMINI 852016
YAMAHAYZ SUPERMINI 852017
YAMAHAYZ SUPERMINI 852018
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
52.5mm
Variant Id
282567
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Vertex 52.5mm Big Bore Piston Kit for Yamaha YZ 85

This Vertex piston kit is designed as a high-quality replacement part for your motorcycle's engine. Vertex pistons are engineered to meet or exceed OEM specifications, ensuring reliable performance and durability.

Key Features:

  • Standard Replacement: Designed to function as an OEM replacement part.
  • 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 enhanced strength.
  • Made in Italy: Manufactured with precision and quality in Italy.
  • OEM Approved: Fitted as standard equipment on many original manufacturer bikes.
  • Big Bore Size: This is a big bore kit with a 52.50mm bore size, specifically +5.00 over standard (standard bore 52.45mm).

Specifications:

  • Bore Size: 52.50mm (Big Bore +5.00)

Replacement Parts Available Separately:

  • Rings: 53010005250
  • Pin: 715286
  • Clips: 72050
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

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.

Apply for Trade
1