Important information
Regular maintenance is a must for a reliable and good motorcycle. Under normal driving conditions you can do the service a few hundred km sooner or later.
Subsequent you will find technical data as well as maintenance and service information.
We make no claim to completeness or accuracy of all data, these are only for your information.

Spares for BMW R850C, BMW R1200C, BMW R1200C Independent, BMW R1200C Avantgarde, BMW R1200C Montauk


Technical data

Model BMW R850C 1998-2001
Volume (ccm) 848
Cylinders 2
Power (HP) 34
Power (KW) 25
Weight (kg) 256
Seat height (mm) 740
Idle speed (R/Min) 1000 ┬▒ 150
Injection Injection
Tyre pressure front (bar) 2,2 (2,5)
Tyre pressure rear (bar) 2,5 (2,9)
Spark plug 1 NGK BKR7EKC
Spark Plug 1 NGK BKR7EIX
Standpipe 41 mm Telelever
Drive Cardan
Fork oil per rod 470 ml SAE 10W
Engine Oil Without Filter 3,5 L SAE 20W-50
Engine Oil With Filter 3,75 L min. API SE
Gearbox Oil 800 ml SAE 90 GL-5
Break Fluid DOT 4
Final Drive Oil 180 ml SAE 90 GL-5
Fuel tank volume 17.5
Coolant air-/oil-cooled


Running-in Check / 600 miles (1.000 km) service:

Reading fault memory with BMW Motorrad diagnostic system
Changing engine oil with engine at operating temperature, replacing oil filter
Changing oil in final drive, warmed to normal operating temperature
Checking security of rear-wheel studs
Checking swinging-arm pivot mount
Checking operation of side-stand switch
Greasing side stand pivot
Tightening cylinder head
Adjusting valve clearance
Checking freedom of movement of throttle cable and checking for kinks and chafing
Checking/adjusting synchronisation
Checking spoke tension
Checking tire pressures and tread depth
Checking lights and signalling equipment
Test ride as final inspection and function check
Confirming BMW Service in on-board documentation

6.000 miles (10.000 km) service (30.000 km / 50.000 km):

Reading fault memory with BMW Motorrad diagnostic system
Changing engine oil with engine at operating temperature, replacing oil filter
Gearbox-oil change (every 2 years)
Oil change, rear wheel drive (every 2 years)
Checking battery acid level
Cleaning and greasing battery terminals
Checking front and rear brake fluid level
Checking front and rear brake pads for wear
Checking front and rear brake discs for wear
Changing brake fluid, front and rear brakes
Checking clutch fluid level
Change the clutch fluid (every 4 years)
Checking operation of side-stand switch
Greasing side stand pivot
Checking condition of spark plugs
Adjusting valve clearance
Checking freedom of movement of throttle cable and checking for kinks and chafing
Checking/adjusting synchronisation
Checking spoke tension
Checking tire pressures and tread depth
Checking lights and signalling equipment
Test ride as final inspection and function check
Confirming BMW Service in on-board documentation

12.000 miles (20.000km) service (40.000 km / 60.000 km):

Reading fault memory with BMW Motorrad diagnostic system
Changing engine oil with engine at operating temperature, replacing oil filter
Changing oil in gearbox, warmed to normal operating temperature
Oil change, rear wheel drive (every 2 years)
Replace the fuel filter (every 40.000 km)
Checking battery acid level
Cleaning and greasing battery terminals
Replacing intake air filter
Checking front and rear brake fluid level
Visual inspection of the brake pipes, brake hoses and connections
Checking front and rear brake pads for wear
Checking front and rear brake discs for wear
Changing brake fluid, front and rear brakes
Checking clutch fluid level
Change the clutch fluid (every 4 years)
Checking rear wheel bearing play by tilting wheel
Checking swinging-arm pivot mount
Checking operation of side-stand switch
Greasing side stand pivot
Replace belt for generator (every 40.000 km)
Replacing spark plugs
Adjusting valve clearance
Checking freedom of movement of throttle cable and checking for kinks and chafing
Checking/adjusting synchronisation
Checking spoke tension
Checking tire pressures and tread depth
Checking lights and signalling equipment
Test ride as final inspection and function check
Confirming BMW Service in on-board documentation