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 80 model here.


  BMW R80G/S (80-87),
R80G/S Paris Dakar (84-87)      
BMW R80GS/Basic (87-96)       BMW R80R (91-95),
R80R Mystic (94-95)
Technical Specifications:              
Capacity: 797 ccm 798 ccm 797 ccm
Cylinder: 2 2 2
HP/KW: 50/37 50/37 50/37
Weight (kg): 196 (GS), 205 (Dakar) 215 218
Seat height (mm): 860 (GS), 845 (Dakar) 850 830 (R), 790 (R Mystic)
Valve clearance (in): cold 0,10 mm cold 0,10 mm cold 0,10 mm (R),
0,10-0,15 mm (R Mystic)
Valve clearance (out): cold 0,20 mm cold 0,20 mm cold 0,20 mm (R),
0,20-0,25 mm (R Mystic)
Idle speed: 900 ▒ 100 R/MIN 900 ▒ 100 R/MIN 900 ▒ 100 R/MIN
Injection: 0,75 groove 0,75 groove 0,75 groove
Tire pressure (front): 2,2 bar 2,2 (2,4) bar 2,2 (R),
2,2 (2,5) (R Mystic) bar
Tire pressure (rear): 2,3 (2,5) bar 2,5 (2,9) bar 2,5 (R),
2,4 (2,9) (R Mystic) bar
Spark plug 1: NGK BP6ES NGK BP6ES NGK BP6ES
Spark plug 2: NGK BPR6EIX NGK BPR6EIX NGK BPR6EIX
Standpipe ě: 36 mm fork 36 mm fork 41 mm fork
Drive: Kardan Kardan Kardan
       
Capacities:      
Fork oil per rod: 230 ml (GS), 220 ml (Dakar)
SAE 5W/10W
R: 440 ml / L: 410 10W 410 ml SAE 10W
Engine oil without filter: 2,0 L SAE 20W-50 2,0 L SAE 20W-50 2,25 L SAE 20W-50
Engine oil with filter: 2,25 L min. API SE 2,25 L min. API SE 2,5 L 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 SAE 90 GL-5
Fuel: 19,5 (GS), 32,0 (Dakar) L 24,0 L / 19,5 (Basic) 24,0 L
Coolant: air-cooled air-cooled air-cooled





  BMW R80RT (81-84),
R80RT (Einarmschwinge, 84-95)      
BMW R80ST (82-84)       BMW R 80/7 N (77-80)
Technical Specifications:              
Capacity: 797 ccm 798 ccm 797 ccm
Cylinder: 2 2 2
HP/KW: 50/37 50/37 55/41
Weight (kg): 235 (81-84), 227 (84-95) 198 215
Seat height (mm): 810 845 810
Valve clearance (in): cold 0,10-0,15 mm (81-84),
0,10 mm (84-95)
cold 0,10 mm cold 0,10 mm
Valve clearance (out): cold 0,15-0,20 mm (81-84),
0,20 mm (84-95)
cold 0,15 mm cold 0,15 mm
Idle speed: 950 ▒ 150 R/MIN 900 ▒ 100 R/MIN 900 ▒ 100 R/MIN
Injection: 0,75 groove 0,75 groove  
Tire pressure (front): 1,9 (81-84),
2,2 (2,4) (84-95) bar
2,1 bar 1,9 bar
Tire pressure (rear): 1,8 (2,0) (81-84),
2,5 (2,9) (84-95) bar
2,2 (2,4) bar 2,0 bar
Spark plug 1: NGK BP6ES NGK BP6ES NGK BP6ES
Spark plug 2: NGK BPR6EIX NGK BPR6EIX NGK BPR6EIX
Standpipe ě: 36 mm fork 36 mm fork 36 mm fork
Drive: Kardan Kardan Kardan
       
Capacities:      
Fork oil per rod: 230 ml (81-84), 320 ml (84-95)
SAE 5W/10W
190 ml SAE 5W/10W 250 ml SAE 5W/10W
Engine oil without filter: 2,75 L with oil cooler 2,2 L SAE 20W-50 2,5 L with oil cooler
Engine oil with filter: 2,5 L SAE 20W-50 2,5 L min. API SE 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: 350 ml SAE 90 GL-5 350 ml SAE 90 GL-5 250 ml SAE 90 GL-5
Fuel: 22,0 litres 19,5 litres 22,0 litres
Coolant: air-cooled 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 operating clearance
Check brake fluid level at front and rear
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 brake fluid level at front and rear
Renew brake fluid at least once a year
Check/adjust valve clearances
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

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
Renew spark plugs
Check spark plug electrode gaps
Renew intake air cleaner element
Clean carburettor float chambers
Check clutch operating clearance
Grease clutch cable nipple at top and bottom and side stand pivot
Check brake fluid level at front and rear
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 play at steering bearings
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