2Bros Parts

CYLINDER ONLY STD 78.00mm HONDA 2004 - 2017 CRF 250 F R X 12100-KRN-672 12100-KRN-732

$162.99

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Delivery to United States 5–8 business days

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Standard bore cylinder measuring 78.00mm. Constructed from high-quality JIS AC4B-T6 aluminium with Nikasil-plated sleeves for enhanced durability and heat dissipation. Nikasil sleeve coating with a hardness of HV500~600 and a thickness of 0.08 ± 0.02mm provides excellent wear resistance. Drop-in installation with no case modifications required. Meets or exceeds OEM specifications. Cross-Reference OEM Part Numbers: 12100-KRN-670, 12100-KRN-672, 12100-KRN-730, 12100-KRN-731, 12100-KRN-732, 12100KRN672, 12100KRN730, 12100KRN731, 12100KRN670. Manufacturer: Dirt Racing. Weight: 1010 grams.

Specifications
SKU
56-K100.78.C.A3
Brand
Dirt Racing
Availability
In Stock (2)

Fitments (37)

MakeModelYear
HONDACRE F R 2502004
HONDACRE F R 2502005
HONDACRE F R 2502006
HONDACRE F R 2502007
HONDACRE F R 2502008
HONDACRE F R 2502009
HONDACRE F X 2502004
HONDACRE F X 2502005
HONDACRE F X 2502006
HONDACRE F X 2502007
HONDACRE F X 2502008
HONDACRE F X 2502009
HONDACRE F X 2502010
HONDACRF 250R2004
HONDACRF 250R2005
HONDACRF 250R2006
HONDACRF 250R2007
HONDACRF 250R2008
HONDACRF 250R2009
HONDACRF 250R2010
HONDACRF 250R2011
HONDACRF 250R2012
HONDACRF 250R2013
HONDACRF 250X2004
HONDACRF 250X2005
HONDACRF 250X2006
HONDACRF 250X2007
HONDACRF 250X2008
HONDACRF 250X2009
HONDACRF 250X2010
HONDACRF 250X2011
HONDACRF 250X2012
HONDACRF 250X2013
HONDACRF 250X2014
HONDACRF 250X2015
HONDACRF 250X2016
HONDACRF 250X2017
Variant Id
323021
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Standard Bore Cylinder 78.00mm for Honda CRF250R/X

This standard bore cylinder, precisely measuring 78.00mm, is engineered as a direct replacement cylinder for select Honda CRF250R and CRF250X models.

Key Features:

  • Constructed from high-quality JIS AC4B-T6 aluminum alloy for superior strength and heat management.
  • Features a durable Nikasil-plated sleeve for exceptional wear resistance and longevity.
  • The Nikasil sleeve coating boasts a hardness of HV500~600 and a precise thickness of 0.08 ± 0.02mm.
  • Designed for a straightforward drop-in installation, requiring no modifications to the engine cases.
  • Meets or surpasses original equipment manufacturer (OEM) specifications, ensuring optimal fit and performance.

Cross-Reference OEM Part Numbers:

  • 12100-KRN-670
  • 12100-KRN-672
  • 12100-KRN-730
  • 12100-KRN-731
  • 12100-KRN-732
  • 12100KRN672
  • 12100KRN730
  • 12100KRN731
  • 12100KRN670
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

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