BMW R1100 Spezifikationen PDF herunterladen (Seite 10)

Check Battery: Inspect the battery to ensure that the electrolyte level is between the

minimum and maximum marks. Top off to the maximum mark with distilled water. Check the

connections for signs of corrosion. Clean the terminals and connections as required.

Check and Adjust the Alternator Drive Poly Belt: The alternator drive belt is located behind

the front cover. The alternator is mounted so that it can slide vertically up or down when the

retaining bolts are loosened. The lower retaining bolt on the left side (your right as you are

facing the front of the engine) contains a geared adjuster. The adjustment specifications call

for loosening the retaining bolts. Then tighten the geared adjuster using a torque wrench to 70

inch lbs = 5.9 foot pounds = 8 newton meters. This rotation raises the alternator and this

properly tensions the belt. Tighten the other retaining bolts to hold the alternator in place with

the proper belt tension. To check the tension of the belt without disturbing it, grasp one side of

the belt midway between the pulleys and twist it 90 degrees. If it will twist much over 90

degrees it is too loose. If you cannot cause it to twist 90 degrees it is too tight. If the belt is too

tight it places undue stress on the alternator bearings. If it is too loose it will squeal. Please

note that the belts now in use by BMW will slightly squeal for a few seconds when the engine

is started cold. This is normal. Do not attempt to make the belt so tight as to eliminate this

cold start-up squeal. It will then be too tight.

Check the Spark Plugs: The spark plugs should be visually examined each Minor Service.

You should not expect to need to replace them at this interval however. The early R1100’s

used spark plugs with three side electrodes. The current specification is for spark plugs with

two side electrodes. Examine the electrodes for signs of wear and examine the insulator color.

You are looking to find a very light tan insulator. A bright white with blisters would indicate a

lean mixture or other cause of overheating. Consult any good motorcycle or car repair manual

for the color spark plug pictures which show a number of fuel fouled, oil fouled, lead fouled,

and other abnormal conditions. Apply a light coating of anti-seize to the threads when

installing the spark plugs. Be careful not to get any anti-seize on either the electrodes or the

insulator. The torque specification for the spark plugs is 15 ft. lbs (20nm).

Check the Brake Pads: Remove the brake caliper covers (lightly spread the cover using a

small pry bar or screw driver and lift upward). Carefully examine the brake pads for wear. Do

NOT assume since you brake properly as taught by the MSF and mostly use your front brakes

- that the rear pads do not need to be checked. The R1100 motorcycles consume rear brake

pads at a relatively short interval. Examine them each service, and expect to need to replace

them every 20,000 to 30,000 miles. I know of cases where the pad was gone and the backing

plate scored the disk in 12,000 miles. I’ve also seen them last 35,000 miles, but not a lot

more. Even with proper braking technique the front pads are likely to outlast the rear pads 2 to

1. The minimum lining thickness is specified as 1.5mm (.06”)

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BMW R1100 Spezifikationen Seite 10