2Bros Parts

CYLINDER ONLY 54MM YAMAHA YZ 125 97-04, STD BORE

£350.77

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Cylinder only 54mm standard bore for Yamaha YZ 125 1997-2004. For YZ 125 1997-2000 models, cylinder head from 2001-2004 must be used. For YZ 125 1997-1998 models, exhaust header from 1999-2003 must be used. For YZ 125 1997-1999 models, two original power valve springs from years 2000-2023 (OEM# 90508-16134-00) must be used. Manufacturer: Namura Technologies.

Specifications
SKU
56-K155.54.C.NM
Brand
Namura Technologies
Availability
In Stock (48)

Fitments (26)

MakeModelYear
GAS-GASEC 1252013
GAS-GASEC 1252014
GAS-GASEC 1252015
YAMAHAYZ 1251997
YAMAHAYZ 1251998
YAMAHAYZ 1251999
YAMAHAYZ 1252000
YAMAHAYZ 1252001
YAMAHAYZ 1252002
YAMAHAYZ 1252003
YAMAHAYZ 1252004
YAMAHAYZ 1252005
YAMAHAYZ 1252006
YAMAHAYZ 1252007
YAMAHAYZ 1252008
YAMAHAYZ 1252009
YAMAHAYZ 1252010
YAMAHAYZ 1252011
YAMAHAYZ 1252012
YAMAHAYZ 1252013
YAMAHAYZ 1252014
YAMAHAYZ 1252015
YAMAHAYZ 1252016
YAMAHAYZ 1252017
YAMAHAYZ 1252018
YAMAHAYZ 1252019
Variant Id
316328
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Namura Technologies 54mm Standard Bore Cylinder for Yamaha YZ 125

Enhance your Yamaha YZ 125's performance with this high-quality 54mm standard bore cylinder from Namura Technologies. Engineered for direct replacement, this cylinder offers a reliable and effective upgrade for your motorcycle's engine.

Key Features:

  • Standard Bore Size: This cylinder features a 54mm bore, designed for standard specifications.
  • Direct Replacement: Intended to directly replace the original cylinder, ensuring a proper fit and straightforward installation.
  • Durable Construction: Built with quality materials to withstand the rigors of off-road riding.
  • Optimized for Performance: Designed to help restore or improve the engine's power and efficiency.

Important Installation Notes:

  • For YZ 125 models from 1997-2000, it is necessary to use the cylinder head from a 2001-2004 model when installing this cylinder.
  • For YZ 125 models from 1997-1998, ensure you use an exhaust header from a 1999-2003 model.
  • For YZ 125 models from 1997-1999, two original power valve springs from years 2000-2023 (OEM part number 90508-16134-00) must be used.
Before you buy

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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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