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Technical motorcycle description BMW R 90 S 1975

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Photo of BMW R 90 S 1975
Photo of BMW R 90 S 1975

Specifications BMW R 90 S 1975

Chassis
Frame : Double steel cradle
Fuel capacity : 24 liters (6.34 US gallons)
Seat height : 820 mm (32.28 in)
Wheelbase : 1,465 mm (57.68 in)
Dry weight : 210 kg (463 lb)
Weight when fully loaded : 224 kg (494 lb)
Front axle
36 mm telescopic fork, Wheel travel : 200 mm (7.87 in)
Braking 2 discs Ø 260 mm (10.24 in), single-piston caliper
Transmission
5 stage gearbox , manual
Secondary cardan shaft
Rear axle
2 side shock absorbers, Wheel travel : 125 mm (4.92 in)
Preload adjustment
drum brakes Ø 200 mm (7.87 in)
Motor
two-cylinder flat, Boxer-type , 4 strokes
2 Dell'Orto carburetors, 38 mm diameter
Cooling system : by air
1 AC, knocked down
2 valves per cylinder
898 cc
67 ch (66.10 hp) to 7,000 rpm
7.60 mkg to 6,500 rpm
Power-to-Weight Ratio : 3.18 kg/ch
Torque-to-Weight Ratio : 27.63 kg/mkg
Compression : 9,5 : 1
Practical information
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Essentials

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Gallery

BMW R 90 S 1975 - 1
BMW R 90 S 1975 - 2
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BMW R 90 S 1975 - 10
BMW R 90 S 1975 - 11

Key facts BMW R 90 S (1975) : What you need to know before you buy

Prices

Basic version
flag FranceFrance
3,049€

Bikers' reviews

of 0 review

Model sold in 1975

Performance

Models

1975

Compare the R 90 S to its competitors

Compared to its direct competitor, this R 90 S offers a fairly balanced positioning, sitting right in the middle of the category. On the spec sheet, it highlights power output of 67 ch and torque of 7.6 Nm. Its torque-to-weight ratio of 27.63 kg/Nm limits its punch at low revs.

Acceleration

BMW R 90 S 1975 : 4.8 s
Ducati 750 SS 1975 Undisclosed

Torque

BMW R 90 S 1975 : 7.6 mkg
Ducati 750 SS 1975 : 8 mkg

Power

BMW R 90 S 1975 : 67 ch (66.10 hp)
Ducati 750 SS 1975 : 73 ch (72 hp)

Power-to-Weight ratio

BMW R 90 S 1975 : 3.18 kg/ch
Ducati 750 SS 1975 : 2.64 kg/ch

Torque-to-Weight ratio

BMW R 90 S 1975 : 27.63 kg/mkg
Ducati 750 SS 1975 : 23.75 kg/mkg

Speed

BMW R 90 S 1975 : approximately 200 km/h (124.30 mph)
Ducati 750 SS 1975 : approximately 220 km/h (136.70 mph)
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FAQ Your frequently asked questions about the R 90 S 1975

What is the power of the R 90 S?
The R 90 S 1975 develops a power of 67 ch (66.10 hp)
What is the torque of the R 90 S?
The maximum torque of the R 90 S 1975 is 7.60 mkg to 6,500 rpm.
What is the maximum speed of the R 90 S?
The R 90 S 1975 is capable of reaching a top speed of approximately 200 km/h (124.30 mph) on the track.
What is the weight of the R 90 S?
The R 90 S 1975 has a a dry weight of 210 kg (463 lb), a weight when fully loaded of 224 kg (494 lb).
QWhat is the seat height of the R 90 S?
To ensure good accessibility, the R 90 S 1975 offers a minimum seat height of 820 mm (32.28 in).
What is the price of the R 90 S?
The price of the R 90 S 1975 is 3,049€ in France
What colors are available for the R 90 S?
For the 1975 model year, the R 90 S is available in one color: orange.

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