How to Disassemble and Repair the Front Brake Pump of a Motorcycle?
2 Answers
Remove the half-shaft bolt, take out the half-shaft, lift the wheel, remove the hollow shaft bolt, and take out the half bearing together with the wheel; Remove the brake pads, disconnect the brake caliper hose, remove the brake pump, and then you can start the repair.
When disassembling a motorcycle's front brake caliper, I always start with safety preparations – park on level ground and secure the wheel with a stand to prevent slipping. For tools, the essentials include wrenches, screwdrivers, brake cleaner, and rubber gloves. Don’t underestimate these; dust entering the caliper can jam components. When loosening the caliper bolts, turn them gently to avoid stripping the threads. Once opened, carefully inspect the piston and seals: if you feel any scratches or hardening, replace them immediately. Thorough internal cleaning is crucial—I recommend using a dedicated solvent spray and brush. During reassembly, apply a thin layer of silicone-based grease to the seals to prevent sticking. Final testing is key: start the engine, gently squeeze the brake lever to check pressure response, then inspect for leaks. I once experienced spongy brakes due to improper assembly—tightening everything correctly fixed it. Never skip this step, as brakes are vital for riding safety; mistakes can be fatal. If unsure, it’s best to seek professional service for peace of mind and safety.
