Replacement engine cylinders for Yamaha 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

Replacement 77mm — 374-CYL6050

Includes:

• 1 x Replacement Engine Cylinder – 77mm Stock Bore

Replaces Yamaha OEM # – 5XC-11311-20-00

Fitment:

• Yamaha YZF250 (YZ250F) – 2001-2013
• Yamaha WRF250 (WR250F) – 2001-2014
• Gas Gas ECF250 – 2010-2015

Airsal 77mm — 373-03127677

Includes:

• 1 x Airsal Replacement Engine Cylinder – 77mm Stock Bore

Replaces Yamaha OEM # – 1SM-11311-00-00

Manufactured in SPAIN

Fitment:

• Yamaha YZF250 (YZ250F) – 2014-2018
• Yamaha YZ250FX – 2015-2019
• Yamaha WRF250 (WR250F) – 2015-2018

Replacement 95mm — 374-CYL6295

includes:

• 1 x Replacement Engine Cylinder – 95mm Stock Bore

Replaces Yamaha OEM # – 5TA-11311-00-00 / 5TA-11311-12-00

Fitment:

• Yamaha YZF450 (YZ450F) – 2003-2005
• Yamaha WRF450 (WR450F) – 2003-2006
• Yamaha YFZ450 ATV (Carburetor) – 2004-2013 

Replacement 95mm — 374-CYL6300

includes:

• 1 x Replacement Engine Cylinder – 95mm Stock Bore

Replaces Yamaha OEM # – 2S2-11311-00-00

Fitment:

• Yamaha YZF450 (YZ450F) – 2006-2009
• Yamaha WRF450 (WR450F) – 2007-2015
• Yamaha YFZ450R ATV (Fuel Injected) – 2009-2023
• Yamaha YFZ450X ATV (Fuel Injected) – 2010-2011

Airsal 66mm cylinder kit — 373-02124166

Manufactured IN SPAIN

Includes:

• 1 x Airsal Replacement Engine Cylinder – 66mm Stock Bore
• 1 x Airsal Piston Kit
• 1 x Airsal Top-End Gasket Set

Fitment:

• Yamaha YFS200 Blaster ATV – 1988-2008

Airsal 54mm — 373-03127454

Includes:

• 1 x Airsal Replacement Engine Cylinder – 54mm Stock Bore

Replaces Yamaha OEM # 1C3-11311-00-00 / 1C3-11311-20-00 /1C3-11311-21-00

Manufactured in SPAIN

Prior to installation please double-check the chamfer of the port windows

Fitment:

• Yamaha YZ125 – 2005-2021
• Yamaha YZ125X – 2020-2022

Replacement 54mm — 374-CYL6020

Includes:

• 1 x Replacement Engine Cylinder – 54mm Stock Bore

Replaces Yamaha OEM # 1C3-11311-00-00 / 1C3-11311-20-00 / 1C3-11311-21-00

Prior to installation please double-check the chamfer of the port windows  

Fitment:

• Yamaha YZ125 – 2005-2021
• Yamaha YZ125X – 2020-2022

Replacement 66.4mm — 374-CYL6009

Includes:

• 1 x Replacement Engine Cylinder – 66,4mm Stock Bore

Replaces Yamaha OEM # 5UP-11311-21-00

Prior to installation please double-check the chamfer of the port windows  

Fitment:

• Yamaha YZ250 – 2001-2025

Replacement 47.5mm — 374-CYL6008

Includes:

• 1 x Replacement Engine Cylinder – 47,5mm Stock Bore

Replaces Yamaha OEM # 5PA-11311-30-00

Prior to installation please double-check the chamfer of the port windows  

Fitment:

• Yamaha YZ85 – 2002-2018

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!