2Bros Parts

CYLINDER ONLY STD 66.40mm YZ250 YAMAHA 2003 - 2025 2T 5UP-11311-21

$466.57

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Delivery to United States 5–8 business days

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Standard replacement cylinder for Yamaha YZ 250 two-stroke models, supplied as a cylinder only. This standard-size cylinder is intended as a direct replacement component for engine rebuild or repair. Features include a replacement standard cylinder, cylinder only, suitable for engine repair or rebuild, and direct replacement. Specifications: standard size, bore 66.40 mm, engine type 2-stroke. Cross-reference OEM part number: 5UP-11311-21. Manufacturer: Namura Technologies.

Specifications
SKU
56-K156.664.CYLNM
Brand
Namura Technologies
Availability
In Stock (5)

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
SKU
56-K156.664.CYLNM
Brand
Namura Technologies
Availability
In Stock (5)
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Namura Technologies Standard Cylinder for Yamaha YZ250

This is a standard replacement cylinder designed for Yamaha YZ250 two-stroke motorcycles. It is supplied as the cylinder component only, making it an ideal part for engine rebuilds or repairs. This cylinder offers a direct fit replacement for compatible Yamaha models, ensuring your engine is restored to its optimal performance.

Key Features:

  • Standard size replacement cylinder
  • Cylinder component included
  • Designed for engine repair and rebuild
  • Direct replacement for compatible Yamaha YZ250 motorcycles

Specifications:

  • Bore Size: 66.40 mm
  • Engine Type: 2-stroke
  • Manufacturer: Namura Technologies

This cylinder corresponds to OEM part number 5UP-11311-21.

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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