BMW R 1150 RT Repair Manual

34.8
34 21 Disassembling and assembling
rear brake caliper
Disassembling rear brake caliper
– Integral ABS Drain rear wheel circuit (a 34.18).
– Remove the brake caliper.
•
Close the bleed screw.
•
Hold a cloth over the brake caliper piston.
•
Carefully press out brake piston (3) with a com-
pressed air gun applied to the connecting bore;
work at low air pressure.
e Attention:
Keep fingers away from gap between piston and
side contact face of brake pads; risk of injury.
•
Remove sealing rings (4) from left and right
bores.
•
Inspect the brake caliper piston for hairline
cracks, score-marks and other damage.
X Tightening torque:
Bleed screw to brake caliper.......................... 5 Nm
Assembling rear brake caliper
•
Coat the new sealing rings with brake fluid and
insert them into the left and right brake caliper
bores.
•
Coat both brake caliper pistons with brake fluid
and install them.
e Attention:
Keep the brake pistons parallel with their bores
when installing.
•
Coat the adapter plate locating pins with
Shell Retinax A and install the adapter plate.
•
Insert locating plate (5) into brake caliper.
L Note:
The installed position must be correct (arrow point-
ing in forward-travel direction).
•
Press back the pistons fully using the resetting
tool, BMW No. 34 1 531.
•
Integral ABS Fill and bleed rear wheel circuit
(
a 34.27).
X Tightening torque:
Brake caliper to rear wheel drive .................. 40 Nm
Brake hose to brake caliper ......................... 18 Nm
Bleed screw to brake caliper.......................... 5 Nm
1
2
3
4
5
R21340010

BMW R 1150 RT Specifications

General

Displacement	1130 cc
Transmission	5-speed
Final Drive	Shaft
Bore x Stroke	101 mm x 70.5 mm
Compression Ratio	10.3:1
ABS	Optional
Engine Type	Air/oil-cooled, four-stroke, Boxer twin
Power	95 hp at 7, 250 rpm
Torque	100 Nm at 5, 500 rpm
Dry Weight	259 kg
Front Suspension	Telelever
Rear Suspension	Paralever
Front Brakes	Dual disc
Rear Brakes	Single disc
Wheelbase	1485 mm (58.5 in)