CYLINDER ONLY 54.00mm STD 05-21 YAMAHA YZ125 PSYCHIC 1C3-11311-21-00 1C3-11311-10-00

A direct-replacement standard-bore cylinder for Yamaha YZ125 (2005–2021) and YZ125X (2020–2022). Supplied as a bare cylinder only, this Psychic unit matches the OEM architecture with a 54.00 mm bore and nickel–silicon carbide plated aluminium construction, suitable for liquid-cooled two-stroke applications.

Features

• Direct replacement cylinder only (no head, valves, piston or gaskets included)
• Standard 54.00 mm bore to suit stock displacement
• Nickel–silicon carbide (Nikasil) plated aluminium barrel for low friction and wear resistance
• Designed for liquid-cooled two-stroke operation
• Compatible with OEM mounting and ancillary components for the listed models

Specifications

• Bore diameter: 54.00 mm (STD)
• Material: Aluminium
• Liner/coating: Nickel–silicon carbide (Nikasil)
• Cooling: Liquid-cooled
• Application: 2-stroke single-cylinder

Cross-Reference OEM Part Numbers

• 1C3-11311-21-00
• 1C3-11311-10-00
• 1C3-11311-20-00
• 1C3-11311-01-00
• 1C3-11311-00-00

Vehicle Fitments

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