BMW R850 Maintenance Manual page 31

Rear Wheel Removal
1. Place the bike on the centerstand.
2. Block up the bike under the catalytic converter so the rear tire is up off the floor
3. Put the bike into first gear.
4. Remove both saddlebags.
5. Remove the rear brake caliper by removing the caliper bolts that hold it to the
rear drive, 8 mm hex bit socket.
6. To remove the caliper, gently rock it back and forth on the rotor to spread the
brake pads.
Warning! Do NOT compress the rear brake pedal while the calipers are removed!
7. Remove the 4 wheel lug bolts and cone spacers, 17mm socket.
8. Roll the wheel out.
9. Check the rear brake pads.
Rear Tire Change
1. Same as the front.
Note: The rotor is recessed from the outside of the rim and should be OK without
using the wooden frame, but be careful.
Rear Tire Balance
1. Same as the front EXCEPT:
a. Pry or push out the plastic hub cap in the center of the wheel.
b. The rear tire can be a real bear to get on – helps to have a long 18" tire iron.
c. To balance, attach the four hole axle adapter to the rear wheel using the lug
bolts and spacer cones.
d. Reinstall the little plastic hubcap.
Rear Wheel Installation
1. Gently pry the brake pads apart with a tire iron.
2. Roll the wheel into place.
3.Install the 4 lug bolts and cone spacers, 17mm socket, FIRST torque to 37 ft.lb.
(50 Nm) THEN final torque to 77 ft.lb. (105 Nm).
4. Install the caliper, 8mm hex bit socket, bolt + lockwasher goes to the rear, bolt
only goes through the ABS wire bracket, torque to 30 ft.lb (40 Nm).
5. Pump the rear brake pedal until pressure returns!!!!!
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