R75/6

Start of Production

1973

Click to View Available Literature

End of Production

1976

Numbers Produced

17,587

Price

7,110 DM

Engine

Motor Type

Four-stroke two cylinder horizontally opposed "Boxer" engine, air cooled

Bore x Stroke

82 x 70.6 mm (3.22 x 2.77 in)

Displacement

745 cc

Max Power

50 hp (36.8 KW) at 6,200 rpm

Max Torque

60 Nm / 44 ft lb at 5,000 rpm

Compression Ratio

9.0 : 1

Valves Per Cylinder

2

Valve Control

OHV, using push rod and rocker arm

Carburation System

2 constant depression carburettors, Bing 64/32/9-10 or 64/32/13-14

Engine Lubricating System

Wet sump

Power Transmission

Clutch

Dry single plate, with diaphragm spring

Number of Gears

5

Gear Selection

Dog type gearbox (ratchet foot lever)

Gearbox Ratios

4.4 / 2.86 / 2.07 / 1.67 / 1.50 : 1

Rear Wheel Ratio

1: 3.2 or 1 : 3.36

Bevel/Crownwheel

10 / 32  or 11 / 37teeth

Electrical System

Ignition System

Battery ignition

Alternator

Bosch 12 V/280 W

Starter

Bosch 0.5 hp

Spark Plugs

Bosch W 230 T 30 / Beru 230/14/3 A/ Champion N7Y

Chassis

Type of Frame

Double loop tubular frame with bolt on rear section

Front wheel suspension

Telescopic fork with hydraulic shock absorber

Rear wheel suspension

Long swinging arm with adjustable strut

Spring Travel Front/Rear

208 / 125 mm (8.18 x 4.92 in)

Wheel Rims, Front

1.85 B 19

Wheel Rims, Rear

2.15 B 18

Tyres, Front

3.25 S 19

Tyres, Rear

4.00 S 18

Brakes, Front

Single disc brake 200 mm / 7.87 in diameter. ATE 1 piston caliper

Brakes, Rear

Simplex drum brake 200 mm / 7.87 in diameter

Dimensions / Weights

Length x Width x Height

2180 x 740 x 1080 mm (85.82 x 29.13 x 42.51 in)

Wheel Base

1465 mm / 57.67 in

Fuel Tank Capacity

18 litres / 3.95 gal / 4.75 gal US (optional 22 litre / 4.83 gal / 5.81 gal US  tank at extra cost)

Unladen Weight with Full Tank

210 Kg / 462 lb

Ground Clearance

165 mm / 6.49 in

Max. Permissible Weight

398 Kg / 876 lb

Seat Height (Unladen)

810 mm (31.9 inches)

Fuel Consumption

4.5 litres 100 Km (at constant 90 Kph) / 62 mpg / 52 mpg US

Top Speed

177 Kph / 110 mph

Acceleration 0 - 100 Kph / 62 mph

6.7 seconds