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.

You can find all spare parts for your BMW R 100 model here.


  BMW R100 1980-1984,
R100CS 1980-1984            
BMW R100GS 1987-1996,
R100GS Paris Dakar 1989-1996            
BMW R100R 1991-1996,
R100R Mystic 1993-1996      
Technical Specifications:              
Capacity: 980 ccm 980 ccm 980 ccm
Cylinder: 2 2 2
HP/KW: 67/49;
70/52 (CS)
60/44 60/44
Weight (kg): 225;
220 (CS)
210;
236 (Paris Dakar)
219;
215 (Mystic)
Seat height (mm): 810 850 830;
790 (Mystic)
Valve clearance (in): cold 0,10 mm cold 0,10 mm cold 0,15 mm;
0,10 mm (Mystic)
Valve clearance (out): cold 0,20 mm cold 0,20 mm cold 0,25 mm;
0,20 mm (Mystic)
Idle speed: 950 ▒ 150 R/MIN (CS) 800-1100 R/MIN 800-1100 R/MIN;
900 ▒ 100 R/MIN (Mystic)
Injection: 0,75 groove (CS) 0,75 groove 1 groove;
0,75 groove (Mystic)
Tire pressure (front): 1,9 (2,2) bar;
2,2 (2,4) bar (CS)
2,2 bar;
2,2 (2,4) bar (Paris Dakar)
2,2 bar;
2,2 (2,5) bar (Mystic)
Tire pressure (rear): 1,8 (2,3) bar;
2,5 (2,9) bar (CS)
2,4 bar;
2,5 (2,9) bar (Paris Dakar)
2,5 bar;
2,5 (2,7) bar (Mystic)
Spark plug 1: NGK BP7ES NGK BP6ES NGK BP6ES
Spark plug 2: NGK BPR7EIX NGK BPR6EIX NGK BPR6EIX
Standpipe ě: 36 mm fork 36 mm fork;
41 mm fork (Paris Dakar)
41 mm fork
Drive: Kardan Kardan Kardan
       
Capacities:      
Fork oil per rod: 230 ml SAE 5W/10W R: 440 ml /L: 410 ml 7,5W 410 ml SAE 10W
Engine oil without filter: 2,75 L with oil cooler 2,0 L SAE 20W-50 2,25 L;
2,0 L (Mystic) SAE 20W-50
Engine oil with filter: 2,5 L SAE 20W-50 2,25 L 2,5 L;
2,25 L (Mystic) API SE/SF
Transmission oil: 800 ml SAE 90 GL-5 800 ml SAE 90 GL-5 800 ml SAE 90 GL-5
Brake fluid: DOT 4 DOT 4 DOT 4
Final drive oil: 350 ml SAE 90 GL-5 350 ml SAE 90 GL-5 260 ml;
350 ml (Mystic) SAE 90 GL-5
Fuel: 24,0 L 24,0 L 24,0 L
Coolant: air-cooled air-cooled air-cooled





  BMW R100RS
76-78, 79-80 & 81-84               
BMW R100RS (Einarmschw.) 86-92,
R100RT (Einarmschw.) 87-96                   
BMW R100RT 78-84,
R100T 78-80      
Technical Specifications:              
Capacity: 980 ccm 980 ccm 980 ccm
Cylinder: 2 2 2
HP/KW: 70/52 60/44 70/52 (RT);
65/48 (T)
Weight (kg): 230 240 230 (RT);
225 (T)
Seat height (mm): 810 810 810
Valve clearance (in): cold 0,10 mm cold 0,10 mm cold 0,10 mm
Valve clearance (out): cold 0,20 mm cold 0,20 mm cold 0,20 mm
Idle speed: 800 ▒ 200 R/MIN (76-78);
900 ▒ 100 R/MIN (79-80);
950 ▒ 150 R/MIN (81-84)
950 ▒ 150 R/MIN 900 ▒ 100 R/MIN
Injection: 1,0-1,25 groove (79-80);
0,75 groove (81-84)
0,75 groove 1,0-1,25 groove
Tire pressure (front): 1,9 (2,2) bar;
2,2 (2,4) bar (81-84)
2,2 (2,4) bar 1,9 (2,2) bar
Tire pressure (rear): 1,8 (2,3) bar;
2,5 (2,9) bar (81-84)
2,5 (2,9) bar 1,8 (2,3) bar
Spark plug 1: NGK BP7ES NGK BP6ES (RS);
NGK BP7ES (RT)
NGK BP7ES
Spark plug 2: NGK BPR7EIX NGK BPR6EIX (RS);
NGK BPR7EIX (RT)
NGK BPR7EIX
Standpipe ě: 36 mm fork 36 mm fork 36 mm fork
Drive: Kardan Kardan Kardan
       
Capacities:      
Fork oil per rod: 250 ml;
230 ml (81-84) SAE 5W/10W
320 ml SAE 5W/10W 250 ml SAE 5W/10W
Engine oil without filter: 2,5 L with oil cooler;
2,5 L SAE 20W-50 (81-84)
2,5 L SAE 20W-50 2,5 L with oil cooler
Engine oil with filter: 2,25 L;
2,75 L (81-84) SAE 20W-50
2,75 L 2,25 L SAE 20W-50
Transmission oil: 800 ml SAE 90 GL-5 800 ml SAE 90 GL-5 800 ml SAE 90 GL-5
Brake fluid: DOT 4 DOT 4 DOT 4
Final drive oil: 250 ml;
350 ml (81-84) SAE 90 GL-5
350 ml SAE 90 GL-5 250 ml SAE 90 GL-5
Fuel: 24,0 L 22,0 L 24,0 L
Coolant: air-cooled air-cooled air-cooled





  BMW R100S 76-78 & 79-80         BMW R100/7 76-78          
Technical Specifications:              
Capacity: 980 ccm 980 ccm
Cylinder: 2 2
HP/KW: 65/49 (76-78);
70/51 (79-80)
60/44
Weight (kg): 220 215
Seat height (mm): 810 810
Valve clearance (in): cold 0,10 mm cold 0,10 mm
Valve clearance (out): cold 0,25 mm (76-78);
0,20 mm (79-80)
cold 0,20 mm
Idle speed: 900 ▒ 100 R/MIN 900 ▒ 100 R/MIN
Injection:    
Tire pressure (front): 1,9 (2,2) bar 1,9 (2,2) bar
Tire pressure (rear): 1,8 (2,3) bar 1,8 (2,3) bar
Spark plug 1: NGK BP7ES NGK BP6ES
Spark plug 2: NGK BPR7EIX NGK BPR6EIX
Standpipe ě: 36 mm fork 36 mm fork
Drive: Kardan Kardan
       
Capacities:      
Fork oil per rod: 250 ml SAE 5W/10W 250 ml SAE 5W/10W
Engine oil without filter: 2,5 L with oil cooler 2,5 L with oil cooler
Engine oil with filter: 2,25 L SAE 20W-50 2,25 L SAE 20W-50
Transmission oil: 800 ml SAE 90 GL-5 800 ml SAE 90 GL-5
Brake fluid: DOT 4 DOT 4
Final drive oil: 250 ml SAE 90 GL-5 250 ml SAE 90 GL-5
Fuel: 24,0 L 24,0 L
Coolant: air-cooled air-cooled


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

Change oil when engine at regular operating temperature, renew oil filter element
Oil change: gearbox, rear wheel drive, rear swinging fork (not Paralever), telescopic forks
Check spark plug electrode gaps
Check clutch play
Check front and rear brake fluid level
Check operation of brake system and freedom from leaks
Renew brake fluid at least once a year
Take up slack at bolts and nuts: engine mounts, suspension strut mounts, centre stand
Check slack at rear wheel studs
Take up slack at cylinder head nuts
Check/adjust valve clearances
Check battery acid level
Clean and grease the battery posts
Synchronise the carburettors, and adjust the wire cables
Checking condition of tires & wheels, rims & spokes, tire pressures, lights & signal systems, telltale & warning lights, clutch & gear shift, handbrake & footbrake, steering, instruments, engine idle speed, engine undertray for blockage with dirt

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

Change oil when engine at regular operating temperature, renew oil filter element
Oil inspection: gearbox, rear wheel drive, rear swinging fork (not Paralever)
Oil change: gearbox, rear wheel drive, rear swinging fork (not Paralever), telescopic forks
Check spark plug electrode gaps
Clean carburettor float chambers
Grease clutch cable nipple at top and bottom and side stand pivot
Check front and rear brake fluid level
Renew brake fluid at least once a year
Check/adjust valve clearances
Check battery acid level
Clean and grease the battery posts
Synchronise the carburettors, and adjust the wire cables
Checking condition of tires & wheels, rims & spokes, tire pressures, lights & signal systems, telltale & warning lights, clutch & gear shift, handbrake & footbrake, steering, instruments, engine idle speed, engine undertray for blockage with dirt

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

Change oil when engine at regular operating temperature, renew oil filter element
Oil change: gearbox, rear wheel drive, rear swinging fork (not Paralever), telescopic forks
Check spark plug electrode gaps
Replace all spark plugs
Replace intake air filter
Clean carburettor float chambers
Check clutch play
Grease clutch cable nipple at top and bottom and side stand pivot
Check front and rear brake fluid level
Check operation of brake system and freedom from leaks
Examine brake pads and discs for wear
Check free travel of rear brake
Renew brake fluid at least once a year
Take up slack at bolts and nuts: engine mounts, suspension strut mounts, centre stand
Check swinging arm bearing play at frame and pivot point (Paralever)
Check endplay at valve rockers
Check/adjust valve clearances
Check the steering-head bearing
Checking battery acid level
Clean and grease the battery posts
Synchronise the carburettors, and adjust the wire cables
Checking condition of tires & wheels, rims & spokes, tire pressures, lights & signal systems, telltale & warning lights, clutch & gear shift, handbrake & footbrake, steering, instruments, engine idle speed, engine undertray for blockage with dirt