Suzuki DR 750 S Big (1988)

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The Suzuki DR 750 S Big is a 1988 motorcycle with a four-stroke, single-cylinder, SOHC, and 4 valves engine of 727cc/44.4 cu. in capacity. It has a compression ratio of 9.5:1, air/oil cooled cooling system, and a wet sump lubrication system. The motorcycle has a 33 mm Mikuni BST 33 SS carburetor for induction, electronic Suzuki PEI ignition, and an electric starting system with a 12V 50.4kC, 14Ah battery. It can generate a maximum power of 37 kW/50 hp and a maximum torque of 55 Nm/5.6 kgf-m/40.6 lb-ft at 5600 rpm. The clutch is wet, multi-plate, and the transmission has five speeds. The motorcycle has a final reduction ratio of 3.200 (48/15) and the final drive is chain, DAIDO DID520VL2, 116 links. The front suspension is 38mm telescopic, coil spring, and air damped with 240 mm/9.4 in front wheel travel, while the rear suspension is a full floater rising-rate monoshock with adjustable preload and has 220 mm/8.7 in rear wheel travel. The front brakes feature a single 280 mm disc, a two-piston caliper, and the rear brakes are a 160 mm drum. The motorcycle has a length of 2270 mm/89.4 in, a width of 925 mm/36.4 in, and a height of 1310 mm/51.6 in. It weighs 175 kg/389 lbs dry and 195 kg/430 lbs wet, has a fuel capacity of 29 liters/7.7 US gal/6.4 Imp gal, and has an average consumption of 5.9 L/100 km/17 km/l/40 US mpg/48 Imp mpg. It can reach a top speed of 168.1 km/h/104.5 mph and has a standing quarter-mile time of 13.6 sec/151.2 km/h/94 mph. The braking distance from 60 km/h to 0 is 14.3 m/46.9 ft, and from 100 km/h to 0 is 42.0 m/137.8 ft. The motorcycle was tested in the Motosprint Group Test of 1989.

Technische Daten:

Make Model: Suzuki DR 750S Big

Jahr: 1988


Engine: Four stroke, single cylinder, SOHC, 4 vaves
Capacity: 727 cc / 44.4 cu in
Bohrung x Hub: 9,5:1
Compression Ratio: 105 x 84 mm
Kühlsystem: Luft-/ölgekühlt
Schmierungssystem: Nasssumpf
Induction: 33 mm Mikuni BST 33 SS carburetors
Ignition: Electronic, Suzuki PEI
Anfahren: Elektrisch
Battery: 12V 50.4kC, 14Ah
Spark Plug: NGK DPR9EA-9
Max Power: 37 kW / 50 hp @ 6800 rpm (rear tyre: 34.1 kW / 45.7 hp/6500 rpm )
Max Torque: 55 Nm / 5.6 kgf-m / 40.6 lb-ft @ 5600 rpm
Kupplung: Nass, Lamellenkupplung
Getriebe: 5-Gang

Primary Reduction Ratio: 1.937 (62/32)
Gear Ratios: 1 st 2.461 (32/13) / 2nd 1.578 (30/19) 3rd 1200 (24/20) / 4th 0.956 (22/23) / 5th 0.800 (20/25)
Final Reduction Ratio: 3.200 (48/15)
Final Drive: Chain, DAIDO DID520VL2, 116 links
Vorderradaufhängung: 38mm Teleskop, Schraubenfeder, luftgedämpft
Federweg Vorderrad: 240 mm / 9.4 in
Rear Suspension: Full floater rising-rate monoshock with adjustable preload.
Hinterradfederweg: 220 mm / 8.7 in
Vordere Bremsen: Einzelne 280-mm-Scheibe, 2-Kolben-Bremssattel
Hintere Bremsen: 160 mm Trommel
Vorderradreifen: 90/90-21 54S
Rear Tyre: 130/80-17 65S
Caster: 39 degrees
Trail: 138 mm / 5.4 in
Steering Angle: 43 degrees
Wenderadius: 2,3 m / 7,5 ft
Dimension: Length: 2270 mm / 89.4 inWidth: 925 mm / 36.4 in Height: 1310 mm / 51.6 in
Radstand: 1505 mm / 59.3 in
Ground Clearance: 262 mm / 10.3 in
Sitzhöhe: 876 mm / 34.5 in

Dry Weight: 175 kg / 389 lbs
Nassgewicht: 195 kg / 430 lbs
Fuel Capacity: 29 Litres / 7.7 US gal / 6.4 Imp gal
Consumption Average: 5.9 L/100 km / 17 km/l / 40 US mpg / 48 Imp mpg
Braking 60 km/h – 0: 14.3 m / 46.9 ft
Braking 100 km/h – 0: 42.0 m / 137.8 ft
Standing 1/4 Mile: 13.6 sec / 151.2 km/h / 94 mph
Top Speed: 168.1 km/h / 104.5 mph
Straßentest: Motosprint Gruppentest 1989

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