Replacement engine cylinders for Honda motorcycles and ATVs. Select your model, year range and cylinder option. Check bore size and the supplied parts before ordering; larger-bore options may require additional compatible parts.

Cylinder options and specifications

Airsal 66mm — 374-CYL5018

Includes:

• 1 x Airsal Replacement Engine Cylinder – 66mm Stock Bore

Replaces Honda OEM # 12100-KSE-670 / 12100-KSE-671 / 12100-KSE-672

Fitment:

• Honda CRF150R – 2007-2025

Replacement 78mm — 374-CYL5016

Includes:

• 1 x Replacement Engine Cylinder – 78mm Stock Bore

Replaces Honda OEM #’s – 12100-KRN-672 / 12100-KRN-730 / 12100-KRN-731/12100-KRN-732

Fitment:

• Honda CRF250R – 2004-2009
• Honda CRF250X – 2004-2017

Airsal 79mm — 373-03049079

Includes:

• 1 x Airsal Replacement Engine Cylinder – 79mm Stock Bore

Replaces Honda OEM # 12100-K95-A20

Manufactured in SPAIN

Fitment:

• Honda CRF250R – 2018-2026
• Honda CRF250RX – 2019-2026

Images are for illustration purposes only, actual products may differ.

NB:
Please note that because we sell across multiple platforms, stock availability cannot be guaranteed. If an ordered item is out of stock, it will be placed on backorder and dispatched as soon as it arrives. If an item is permanently unavailable, we will issue a full refund.

Additionally, as most of our products are imported, final pricing is subject to change without notice due to fluctuating exchange rates and shipping costs.

We appreciate your understanding and always strive to process and ship your orders as quickly as possible!