Disassembly
1. Remove the refill tank mount band, tank and cover.
2. Remove the piston retaining ring.
3. Remove pusher and piston.
Attention! Be careful not to damage the push rod and the surface of the clutch master cylinder in contact with the piston.
Examination
1. Clean the dismantled parts in solvent and blow out all parts and passages with compressed air.
2. Check the inside of the cylinder body for rust, pitting, or gouging.
3. Check the piston collar for wear.
4. Check piston for rust, pitting, or gouging.
5. Check the hydraulic clutch tube for damage.
6. Measure the inside diameter of the clutch master cylinder.
Attention! Measurement of the inner diameter of the clutch master cylinder is carried out in three sections (at the base, center and top) in two perpendicular directions.
7. If the clearance between the piston and cylinder exceeds the allowable value, replace the master cylinder and/or piston assembly. Gap: 0.15mm.
Assembly
1. Lubricate the piston and cylinder bore with clutch fluid before assembly. Fluid: DOT 3 or DOT 4 brake fluid.
2. Install the piston assembly.
3. Install the piston retaining ring.
4. Install the pusher.
5. Install the refill tank strap, tank and cap.