Rear Brake Master Cylinder Pump for Yamaha YZ80 YZ125 YZ250 YZ85

Product Overview

This aftermarket replacement rear brake master cylinder pump is intended for the listed Yamaha YZ80, YZ125, YZ250, and YZ85 applications. A rear brake master cylinder pump converts pressure applied at the brake pedal into hydraulic pressure that operates the rear brake system. It is supplied as a replacement for the corresponding rear brake master cylinder assembly on the listed models.

Key Features & Performance

• Functions as the hydraulic pressure source for the rear brake system on the listed Yamaha models
• Converts pedal input into hydraulic pressure to actuate the rear brake caliper
• Supplied for the listed Yamaha YZ80, YZ125, YZ250, and YZ85 applications
• Intended for use when servicing or replacing the rear brake master cylinder assembly
• Provides a replacement option for a worn, leaking, or malfunctioning rear master cylinder

Fitment & Compatibility

• for Yamaha YZ80 applications
• for Yamaha YZ85 applications
• for Yamaha YZ125 applications
• for Yamaha YZ250 applications

Common Uses

• Replacing a worn or damaged rear brake master cylinder
• Servicing the rear brake hydraulic system during maintenance
• Restoring rear brake function after the original master cylinder has failed

Technical Specifications

• Product Type: Rear Brake Master Cylinder Pump
• Model Application(s): Yamaha YZ80, Yamaha YZ85, Yamaha YZ125, Yamaha YZ250
• General Application: Rear brake hydraulic system

Frequently Asked Questions

Q: What does a rear brake master cylinder pump do? A: It converts pressure applied at the rear brake pedal into hydraulic pressure that actuates the rear brake caliper.

Q: How should fitment be verified? A: Compare the complete existing part number and the complete Yamaha model designation, such as YZ80 or YZ250, against the information provided before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.