
NISSIN Rear Brake Master Cylinder Maintenance Kit (Manufacturer Part No: HRMK-002) — a complete set designed for the refurbishment of the rear master cylinder. Designed by NISSIN for off-road practices, this kit includes the necessary wear parts to restore a clean and sealed hydraulic system on motocross and enduro bikes.
This kit is suitable for interventions on the hydraulic circuits of rear brakes equipped with NISSIN master cylinders. It is particularly compatible with models listed by the manufacturer, such as the HONDA CRF 450 X (2026), CRF 450 RX ENDURO (PE07) (2026), and CRF 450 R (2026). It allows for the replacement of worn parts to limit leaks and unwanted play at the lever and master cylinder.
Workshop tip: assemble with clean tools, adhere to the manufacturer's torque specifications, and bleed the system with compatible new brake fluid. For optimal safety, entrust the operation to a qualified technician if you are not comfortable with hydraulic maintenance.