BMW R850 Maintenance Manual page 30

15. Lube the second bead and push it down with hands, knees, feet ~ ¾ the way
on.
16. Using three tire irons pry the tire on the rest of the way - the real secret is to
be sure the opposite side of the tire is squeezed into the center of the wheel (use
bead breaker if necessary).
17. Double check alignment of tire balance dots with the valve stem!!!
18. Double check the direction of rotation.
19. Insert the valve core, inflate to seat tire, inflate to 40 psi – you should hear a
loud pop as each side seats.
20. Mix up some soap bubbles and check the bead/wheel seal on both sides and
check the valve core for leaks.
21. Check that the thin tire ridge is evenly spaced all the way around the wheel.
Front Tire Balance
1. Insert the axle into the wheel and place on the balancing stand.
2. Determine balance by taping assorted weights to the wheel.
3. Precurve the whole weight ribbon to same curvature as the wheel.
4. Clean the wheel with alcohol before sticking the weight on.
Front Wheel Installation
1. (Reinstall the rotors if you removed them, 24 Nm plus Loctite 243).
2. Grease the axle lightly.
3. Roll the wheel in – geared ABS teeth to the left side of the bike.
4. Lift the wheel slightly and start the axle from the right side of the bike and
insert the right side spacer and the left side speedo drive - the tab on top of the
speedo drive goes in front of the tab on the inside of the left fork leg.
5. Tighten the axle nut (bolt),17mm socket, torque to 22 ft.lb.(30 Nm).
6. Gently pry the brake pads apart with a tire iron.
7. Install the calipers, 8mm hex bit socket, torque to 30 ft.lb (40 Nm).
8. Pump the front brake lever until pressure returns!!!!!
9. With the bike off the centerstand compress the front forks several times with
the rear brake applied.
10. With the bike on the sidestand tighten the axle clamp bolts, 6mm hex bit
socket, torque to 16 ft.lb (22 Nm).
11. Pump the front brakes!!!
30