BMW R 1150 RT Repair Manual

00.57
12 31 240 Replacing poly-V belt
(Inspection III)
Replace poly-V belt every
60,000 km (37,000 miles)
e Attention:
Work on the poly-V belt only when the engine is
cold.
•
Remove left side fairing panel.
•
Remove front intake pipe.
•
Disengage fairing bracket from end cover on left.
•
Remove front cover (1).
•
Loosen alternator mounting bolts (2, 3, 4).
•
Remove old poly-V belt.
•
Start by mounting the new poly-V belt on the
crankshaft pulley, then proceed to mount it on
the alternator pulley.
•
Install new poly-V belt.
Poly-V belt tensioning procedure
Poly-V belt installation procedure:
•
Mount the poly-V belt on the pulleys and tension
it slightly, then turn the crankshaft through one
revolution and relieve the tension on the belt.
•
Tension the poly-V belt in accordance with the
specified procedure.
Poly-V belt tensioning procedure:
1 Remove nut (2) and install tensioning
nut BMW No. 12 3 551.
2 Loosen the alternator mounting bolts (3, 4).
3 Tighten and hold tensioning
nut, BMW No. 12 3 551, with torque wrench.
4 Tighten upper retaining nut (4), then remove
torque wrench from adjusting screw.
5 Tighten all screws and nuts.
•
Installation is the reverse of the removal proce-
dure.
X Tightening torque:
Preload for poly-V belt.................................... 8 Nm
Alternator
to alternator mount cover ............................. 20 Nm
123551
RS2000181
2
4
3
1

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)