Honda CBR 125R Complete Front Brake Master Cylinder Handle Lever 45510-KPP-861

Honda CBR 125R Complete Front Brake Master Cylinder Handle Lever is an original brake system component designed for mounting on the motorcycle handlebar. As a part of the Hand brake levers group, it ensures precise control of braking force and stable, predictable operation of the front brake. This used OEM component is a sensible choice for servicing or repairing the brake system in a Honda CBR 125R motorcycle.

Specifications and technical data

• SKU: 45510-KPP-861
• Mark: Honda (Original OE)
• Condition: Used
• OEM Part Number: 45510-KPP-861
• Substitutable numbers: Honda, CBR 125R, 45510-KPP-861
• Location on the vehicle: Front
• Category: Brake Levers

Purpose and function in the brake system

The described assembly is a complete front brake master cylinder with a lever, mounted in the handlebar area on the brake system side. It is responsible for generating pressure in the brake lines and for ergonomic, smooth modulation of the front wheel braking force. Using an original Honda solution allows for maintaining the factory lever operating characteristics, linear response to pressure, and predictable motorcycle behavior during braking.

Construction and performance parameters

The complete assembly includes the brake master cylinder body and an integrated lever, which facilitates installation and reduces the need to match individual components. The design is adapted for operation in the front part of the motorcycle, taking into account the steering system and accessory mounting typical for the CBR 125R. The use of a factory solution promotes maintaining proper system rigidity, stable piston operation, and a repeatable brake engagement point.

Thanks to being matched to a specific motorcycle model, the assembly ensures:

• consistency with the original Honda CBR 125R brake system,
• proper lever geometry and comfortable reach for the rider's hand,
• appropriate lever travel characteristics and a tactile braking point.

Service application and benefits of installation

The complete front master cylinder assembly with lever is particularly useful in situations where the existing component has suffered mechanical damage, shows leaks, or exhibits uneven operation. Replacing the entire module often allows for shorter service time compared to regenerating individual sub-assemblies. For the user, this means:

• consistent front brake operation after proper system bleeding,
• retention of the factory lever feel,
• reduced risk of incorrect assembly of individual components.

A used OEM element can be an attractive cost alternative to a new part, while maintaining the original design and fitment for the motorcycle.

Compatibility and part identification

The product belongs to the Hand brake levers group and is dedicated to the Honda CBR 125R motorcycle, intended for installation in the front part of the vehicle. When selecting the element, it is worth paying attention to compliance with manufacturer markings and fitment for a specific model version. Original Honda markings facilitate identification and minimize the risk of purchasing an incompatible component.

If you are planning a comprehensive repair or upgrade of the braking zone in your Honda motorcycle and need other elements from the same group, such as levers, master cylinder bodies, or complete control assemblies, check the available parts in the Honda hand brake levers category.

For users considering broader use of used parts in vehicle service, practical tips on component selection and cost optimization can be found in the article Used car parts for Mini Cooper – a way for style and savings.