CYLINDER ONLY STD 66.40mm for Yamaha YZ 250 2T models from 1999 to 2025. Constructed from aluminum alloy, this cylinder block features a bore size of 66.4mm and serves as a direct replacement for multiple OEM part numbers.

Features

• Standard bore size of 66.4mm
• Constructed from durable aluminum alloy
• Direct replacement for OEM cylinder

Specifications

• Material: Aluminum alloy
• Bore Size: 66.4mm
• Weight: 2260g

Cross-Reference OEM Part Numbers

• 5UP-11311-00-00
• 5UP-11311-01-00
• 5UP-11311-10-00
• 5UP-11311-11-00
• 5UP-11311-20-00
• 5UP-11311-21-00
• BF1-11311-00-00

Vehicle Fitments

• Yamaha YZ 250 2T (1999-2025)

• YZ250 2003-2025

• YZ250X 2016-2025