2Bros Parts

CYLINDER FULL KIT STD 66.40mm YAMAHA YZ 2T 250 1999 - 2025 CYLINDER WORKS 20009-K02

$952.89Only 1 left

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Delivery to United States 5–8 business days

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Cylinder Works Standard Bore Cylinder Kit for YZ 250 models. This kit features a 66.4mm bore diameter and 250cc displacement. Includes cylinder, cylinder head, piston kit (Vertex Piston #22584), top end gasket kit, wrist pin bearing, and power valve kit. Designed for 2-cycle engines with a standard compression ratio.

Specifications
SKU
56-K156.664.CKCW2
Brand
Cylinder Works
Availability
In Stock (1)

Fitments (36)

MakeModelYear
YAMAHAYZ 2502003
YAMAHAYZ 2502004
YAMAHAYZ 2502005
YAMAHAYZ 2502006
YAMAHAYZ 2502007
YAMAHAYZ 2502008
YAMAHAYZ 2502009
YAMAHAYZ 2502010
YAMAHAYZ 2502011
YAMAHAYZ 2502012
YAMAHAYZ 2502013
YAMAHAYZ 2502014
YAMAHAYZ 2502015
YAMAHAYZ 2502016
YAMAHAYZ 2502017
YAMAHAYZ 2502018
YAMAHAYZ 2502019
YAMAHAYZ 2502020
YAMAHAYZ 2502021
YAMAHAYZ 2T 2502003
YAMAHAYZ 2T 2502004
YAMAHAYZ 2T 2502005
YAMAHAYZ 2T 2502006
YAMAHAYZ 2T 2502007
YAMAHAYZ 2T 2502008
YAMAHAYZ 2T 2502009
YAMAHAYZ 2T 2502010
YAMAHAYZ 2T 2502011
YAMAHAYZ 2T 2502012
YAMAHAYZ 2T 2502013
YAMAHAYZ 2T 2502014
YAMAHAYZ 2T 2502015
YAMAHAYZ 2T 2502016
YAMAHAYZ 2T 2502017
YAMAHAYZ 2T 2502018
YAMAHAYZ 2T 2502019
Variant Id
344095
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Cylinder Works Standard Bore Cylinder Kit

Cylinder Works Standard Bore Cylinder Kit is engineered for exceptional durability and peak performance for your Yamaha YZ 2-stroke motorcycle. This comprehensive kit provides all necessary components for a straightforward installation, enhancing engine efficiency and power output. Designed as a direct replacement for standard specifications, it ensures a precise fit and reliable operation for your 250cc engine.

Key Features:

  • Precision Fitment: Engineered to meet factory specifications for optimal engine function.
  • Standard Bore Diameter: Features a 66.40mm bore for maintaining original engine characteristics.
  • High-Quality Piston: Includes a Vertex Piston (#22584) known for its reliability and performance.
  • Durable Construction: Built with robust materials to withstand the rigors of a 2-cycle engine.
  • Standard Compression Ratio: Maintains the factory standard compression ratio for consistent power delivery.
  • Complete Top End Solution: Provides a full cylinder kit for a complete engine rebuild or upgrade.

Kit Contents:

  • Cylinder
  • Cylinder Head
  • Piston Kit
  • Top End Gasket Kit
  • Wrist Pin Bearing
  • Power Valve Kit

This Cylinder Works kit is the ideal choice for maintaining or enhancing your 250cc 2-stroke engine. Trust in Cylinder Works for premium quality components that deliver long-lasting performance and reliability.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Call us+44 330 133 3748
Email us[email protected]

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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