The 1994 BMW R1100GS

 

Dimensions and Weights

Overall length 86.5 inches (2196 mm)
Overall width 35.9 inches (920 mm) (over mirrors)
Wheelbase 58.85 inches (1509 mm) (unladen)
Ground clearance 7.8 inches (200 mm) (unladen)
Seat height 33.1 / 33.8 inches (840 / 860 mm)
Handlebar width 34.71 inches (890 mm)(with weights)
Steering angle 64 degrees
Front wheel trail 4.33 inches (111 mm) (unladen)
Weight - dry 495 lbs. (225 kg)
Weight - wet 535 lbs. (243 kg)
Maximum load 990 lbs. (449 kg) gross vehicle weight rating
Wheel load limits Front=397 lbs. (180 kg)
Rear=662 lbs. (300 kg)
Top speed 121 mph (195 km/h)
 

General

Type Air cooled/Oil cooled twin cylinder
Bore x stroke 99.0 mm x 70.5 mm
Displacement 1085 cc
Horsepower 80 Bhp @ 6750 rpm
Torque 72 lb.-ft. @ 5250 rpm
Compression ratio 10.3:1
Valve gear HC, chain-driven
Valves 2x36 mm intake / 2x31 mm exhaust
Valve timing (measured at 3 mm valve clearance) intake opens 10 degrees after TDC
intake closes 36 degrees after BDC
exhaust opens 35 degrees before BDC
exhaust closes 3 degrees before TDC
Valves per cylinder four
Camshafts 300 degrees
Engine oil capacity 4 quarts of SG, SH motor oil, also w/CD or CE
Engine oil filter spin-on Micronic filter cartridge
Carburetion
Ignition
fuel injection and electronic ignition MA 2.2
controlled by Bosch Motronic
Fuel demand unleaded, premium, 91 (AKI)
Fuel tank steel tank with enclosed fuel pump & filter
Fuel capacity 5.5 U.S. gallons (20.8 liters) including 1 gallon (3.8 liters) reserve
Air Filter Paper-type element
Charging system 14 V, 50 Amp Alternator (700 W)
Battery BMW Mareg, 19.5 Amp/h low maintenance
Cooling system combined air/oil cooled
 

Drivetrain

Primary drive helical-cut gears with tensioner
Clutch 180 mm dry, single plate with diaphram spring
Gear ratios 1st gear: 4.16:1
2nd gear: 2.91:1
3rd gear: 2.13:1
4th gear: 1.74:1
5th gear: 1.45:1
Drive system enclosed driveshaft with two universal joints and integral torsional damper
Final drive spiral bevel gears, 3.0:1 ratio (33/11)
   

Frame and Suspension

Frame New 3-section frame concept
Front suspension Telelever with central spring strut. Progressive coil spring. Twin-tube gas-filled.
Travel/Dimensions 7.46 inches (189 mm) total travel/5-position preload
Rear suspension Patented BMW Paralever swingarm & shaft drive, single shock with variable rebound damping
Travel/Dimensions 7.80 inches (198 mm) travel/hydraulic adjust. 40 positions
 

Brakes

Brake system BMW / FAG anti-lock brake system ABS II
Front brakes two 4-piston calipers, wear compensation
Front rotors dual 12.0 inch (305 mm) floating rotors
Actuation method hydraulic, DOT 4 fluid type
Rear brake one 4-piston caliper, floating mount
Rear rotor single 10.9 inch (277 mm) diameter fixed rotor
Actuation method hydraulic, DOT 4 fluid type
   

Wheels & Tires

Front wheel 2.50 x 19 MT-H2, Patented Cross Spoke Wheels
Rear wheel 4.00 x 17 MT-H2, Patented Cross Spoke Wheels
Front tire 110/80 - R 19 59H tubeless
Rear tire 150/70 - R 17 69H tubeless

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