BMW R 100 RT

R 100 RT Date 1987 - 1996

Number sold 9.738

Price 16.150,- DM

Engine

Type four-stroke, two-cylinder, horizontally-opposed "Boxer" engine, air-cooled
Bore/stroke 94 x 70,6 mm
Cubic capacity 980 cm3
Max power 60 PS (44 kW) at 6500 rpm
Max torque 74 Nm at 3500 rpm
Compression ratio 8,45 : 1
Valves per cylinder 2
Valve control ohv, using push rod and rocker arm
Carburation system 2 constant depression carburettors Typ Bing V 64/32/363-64/32/364
Engine lubrication wet sump

Power transmission

Clutch dry single plate, with diaphragm spring
Number of gears 5
Gear selection dog-type gearbox (ratchet foot lever)
Gear ratios 4,4 / 2,86 / 2,07 / 1,67 / 1,50 :1
Rear wheel ratio 1 : 3,0
Bevel/crown wheel 11 / 33 teeth

Electrical system

Alternator Bosch 12 V / 280 W
Ignition contact-free electronic ignition (Bosch)
Starter Bosch 0,7 kW
Spark plugs Bosch W 7 DC/Beru 14-7 DU / Champion N 9Y

Suspension

Type of frame double-loop tubular frame with bolt-on rear section
Front suspension telescopic fork with hydraulic shock absorber
Rear suspension BMW Monolever with single swinging arm
Spring travel 175 / 121 mm
Rims front MTH 2,50 x 18 E
Rims rear MTH 2,50 x 18 E
Tyres front 90/90 18 51 H
Tyres rear 120/90 18 65 H
Brakes front single disc brake 285 mm
Brakes rear Simplex drum brake 200 mm

Dimensions and weights

Length x width x height 2175 x 960 x 1478 mm
Wheel base 1447 mm
Ground clearance 140 mm
Tank capacity 22 l
Unladen weight, full tank 229 kg
Max permissible weight 440 kg
Fuel consumption 4,30 l / 100 km (at constant 90 km/h)
Acceleration 0 - 100 km/h 5,0 s
Top speed 185 km/h