1976 BMW R90S Sport 900CC

1976 BMW R90S Sport 900CC. The ultimate BMW motorcycle information pages BMW R90S SPORT 1975 900cc, Genuine 33,000 miles, tax and tested, Rare kick and electric start model ,recent new tyres, lots of stainless fittings, high voltage regulator, in excellent well maintained condition, now in touring trim with tall screen. Can be returned to 90S specification by fitting new sports screen and replacing worn side panels if required.

The BMW R90 was a sport motorcycle manufactured in 1973 that survived in the market until 1976. It came in two models. One was the R90S, that at the time cost $6,139; there were 17, 465 of these produced. The other was the R90/6, with 21,097 produced.

The BMW R90S Sport 1976 900CC has a four stroke, overhead valve boxer engine which has a compression ratio of 9.5-to-1 and 54.8 cubic inches of displacement. This engine has two cylinders and for every cylinder there are two valves. The cylinder's bore is 3.5 inches and the stroke is 2.8 inches. All of this generates 67 horsepower at 7,000 rpm and 56 foot-pounds of torque at 5,500 rpm. After this power goes to the wheels through the five-speed transmission, the bike can reach speeds of 124 mph and accelerate from 0 to 60 mph in 4.8 seconds. The R90/6 has a compression ratio of 9.0-to-1. It can produce 60 horsepower at 6,500 rpm and 53 foot-pounds of torque at 5,500 rpm. On the road, the bike can accelerate from 0 to 60 mph in 5.2 seconds and has a top speed of 116 mph. All other specifications are the same 1976 BMW R90S Sport 900CC Specifications and Pictures.

1976 BMW R90S Sport Pictures
Classic BMW Motorcycles - 1976 BMW R90S Racer



1976 BMW R90S Sport Motorcycle Specifications :
Manufacturer - Make - Model - Year: BMW R 90 S 1976
Motorcycle Style: Sport touring

Engine Type: 898 cc, air cooled, 2 - cylinders boxer, 4-stroke
Engine Bore and Stroke: 90 mm x 70.6 mm
Compression ratio 9,5:1
Valves ohv, using push rod and rocker arm , 2 valves/cylinder
Fuel system 2 slide carburettors, Dellorto PHM 38 AS-AD or 38 BS-BD
Ignition battery ignition
Horsepower: 67 hp (50 kW) @ 7000 rpm
Torque 76 Nm (56.1 ft. lbs) @ 5500 rpm

Clutch dry single plate, with diaphragm spring
Transmission type: 5 speed
Gear Ratios: 1st 4.4, 2nd 2.86, 3th 2.07, 4th 1.67, 5th 1.5
Primary drive 3.00 or 2.91
Final Drive: Shaft , 11 / 33 or 11 / 32
Starting system Electronic
Frame double-loop tubular frame with bolt-on rear section
Suspension - Front: telescopic fork with hydraulic shock absorber , 208 mm travel
Suspension - Rear: long swinging arm with adjustable strut , 125 mm travel

Tire - Front: 3,00-21
Tire - Rear: 4,00-18
Brakes - Front: 260 mm drum
Brakes - Rear: 200 mm drum

Overall length 2180 mm (85.8 inches)
Overall width 740 mm (29.1 inches)
Overall height 1210 mm (47.6 inches)
Wheelbase 1465 mm (57.7 inches)
Ground clearance 165 mm (6.5 inches)
Fuel capacity - reserve 24 l (6.3 gallon US)
Dry weight 215 kg (474 pounds)
1976 BMW R90S Sport 900CC Reviewed by Barra Khatab On Monday, April 23, 2012, at 11:49 PM Rating: 5
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