BMW R850C (1999) [110/288] Removing and installing magnetic gate

BMW R850C (1999) [110/288] Removing and installing magnetic gate
12.10
Removing and installing magnetic
gate
Remove seat.
Unscrew fuel tank mount.
Pull fuel tank to the rear and support it at the front
with a piece of wood or similar.
e Caution:
Avoid scratching any components, for instance by
inserting a piece of cloth between the fuel tank and
the frame.
Remove the horn with its holder.
Remove front cover from engine.
Unscrew alternator mount (1).
Remove rotary breather tube (2).
Remove Poly-V belt (3).
e Caution:
Disconnect ground (earth) lead from battery.
Insulate the ground (earth) lead!
Remove the starter motor.
Lock clutch housing with special tool
BMW No. 11 5 640.
Remove Poly-V belt pulley (4) with rotor gate at
crankshaft.
Separate the plug connection for the magnetic
trigger in the central electrical equipment box.
L Note:
If necessary, mark position of magnetic trigger for
later installation.
Remove magnetic trigger (5).
Install in reverse order of work.
Attach rotor (6) of Hall-effect gate with
adhesive to the Poly-V belt pulley (4).
Adhesive: .....Loctite instant adhesive or equivalent
e Caution:
Install retainer for Hall-effect rotor at groove/crank-
shaft (7).
Carefully dismantle magnetic trigger lead. Tension
Poly-V belt according to installation procedure.
X Tightening torque:
Pre-tension of Poly–V belt .............................. 8 Nm
Alternator to alternator mount cover............. 20 Nm
Belt pulley to crankshaft............................... 50 Nm
RS120090
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