Hydraulic Brake Line - 36 Inches for Scooters & Mopeds

Hydraulic Brake Line for 50cc and 80cc Scooters and Mopeds

This hydraulic brake line runs 36 inches long and suits 50cc scooters that use the 139QMB engine. It is a key part of the braking circuit, helping deliver dependable stopping power. The line works with several engine codes, so it can serve a range of models. It is one of the scooter brake components worth swapping out during routine upkeep.

Signs It Is Time for a New Line

Replace the brake line if you spot wear, leaking fluid, or physical damage. A failing line can reduce how well the brakes respond, which is a safety concern. Check it regularly, particularly if the brakes start behaving differently than usual.

Installation Overview

This line is built to connect into the hydraulic brake system of compatible scooters. Installation is simple, as it takes the place of the existing line directly. Line it up correctly during fitting to ensure it works as intended.

Specifications

• Overall Length: 36 Inches
• Position: Front
• Fits: 50cc and 80cc 139QMB-based engines (engine codes listed above) and other QMA/QMB engines
• OEM Part Numbers: 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD

Compatibility

Fits:

• 50cc 139QMB-based scooters (engine codes 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD)
• 80cc 139QMB-based scooters (same engine codes)
• Other QMA and QMB engines (front position)

How to choose: Compare the engine code stamped on your engine case with the codes above, or confirm that it includes "QM" or "FM".

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