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BMW R69 Specifications

 

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Start of Production

1955

BMW R69

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End of Production

1960

Numbers Produced

2,956

Price

3,950 DM

Engine

 

Internal Designation

268/2

Motor Type

Four-stroke two cylinder flat twin

Bore x Stroke

72 x 73 mm (2.83 x 2.87 in)

Displacement

594 cc

Max Power

35 hp at 6,800 rpm

Compression Ratio

7.5 : 1

Valves

OHV

Carburation System

2 x carburettor, Type Bing 1/26/9 - 1/26/10

Engine Lubricating System

Forced feed lubrication

Oil Pump

Gear pump

Power Transmission

 

Clutch

Single plate, saucer spring, dry

Number of Gears

4

Shifting

Foot shifting

Gearbox Ratios

5.33 / 3.02 / 2.04 / 1.54

Rear Wheel Ratio

1: 3.18 (1 : 4.25  or 1 : 4.33 with sidecar)

Bevel/Crownwheel

11 / 35 teeth (8 / 34 or 6 / 26 with sidecar)

Electrical System

 

Ignition System

Magneto ignition

Generator

Noris L 60/6/1500 L

Spark Plugs

Bosch W 240 T1

Chassis

 

Designation

245/1

Frame

Double loop steel tubular frame

Front wheel suspension

Long swing arm with suspension units and oil pressure shock absorbers

Rear wheel suspension

Long swing arm with suspension units and oil pressure shock absorbers

Wheel rims

Deep bed 3 x 18 (with sidecar, rear 2.75C x 18

Tyres, Front

3.5 x 18

Tyres, Rear

3.5 x 18 (with sidecar 4 x 18)

Brakes, Front

Drum brake 200 mm / 7.87 in diameter duplex full hub

Brakes, Rear

Drum brake 200 mm / 7.87 in diameter simplex full hub

Dimensions/Weights

 

Length x Width x Height

2125 x 722 x 980 mm (83.66 x 28.42 x 38.58 in)

Wheel Base

1415 mm (1450 with sidecar)

Fuel Tank Capacity

17 litres / 3.73 gal / 4.49 gal US

Unladen Weight with Full Tank

202 Kg / 444lb (with original sidecar, 320 Kg / 704 lb)

Idle/Riding Noise

85 / 83 phon, (from 16/12/1955: 83 / 76 phon)

Load Rating

360 Kg / 792 lb (with original sidecar, 600 Kg / 1321 lb)

Fuel Consumption

3.6 litres 100Km approx / 78 mpg / 65 mpg US

Oil Consumption

0.5 - 1 litres per 1,000 Km approx.

Top Speed

165 Kph / 102 mph

 

 

 

 

 

 

Member of BM Riders Club, The BMW Club, BMF, BMWMOA, The Airheads and The Poverty Riders

Check out my other sites at: www.bmridersclub.com & www.boxerman.co.uk