• Drain the front brake system. • Remove the hand-brake lever. • Remove spring (6) with insert (5). e Attention: Note the washer between the brake piston and the boot. 1 • Remove front boot (7). • Installation is the reverse of the removal proce- dure: pay particular attention to the following. e Attention: Sealing lips of the boots toward the pressure cham- ber. 2 E340120 • Install new front boot. • Prior to installation, coat the brake piston and the boots with the assembly fluid supplied. • Lightly grease the thrust pin with Shell Retinax A . • Fill and bleed the brake system ( a 00.49). • Remove thrust pin (2) with boot (1) and spring. • Carefully force back the brake piston.
X Tightening torque: Pivot pin, handbrake lever.............................. 7 Nm Locknut, handbrake lever............................... 7 Nm 4 E340130 3 • Remove retaining ring (3). • Use pliers to remove brake piston (4). 00.52 Replacing primary sealing boot, front brake master cylinder (Inspection III, every 40,000 km/24,000 miles for motorcycles with ABS) – Place the motorcycle on the auxiliary stand, BMW No. 00 1 620. e Attention: Do not allow brake fluid to come into contact with painted parts of the motorcycle, because brake fluid destroys paint. 5 6 7 E340140