Technical specifications
|
| Model: |
DR 750S Big |
| Years: |
1989 |
|
Engine:
|
Four stroke, single cylinder, SOHC, 4 vaves
|
|
Capacity:
|
727 cc / 44.4 cu in
|
|
Bore x Stroke:
|
9.5:1
|
|
Compression Ratio:
|
105 x 84 mm
|
|
Cooling System:
|
Air/oil cooled
|
|
Lubrication System:
|
Wet sump
|
|
Induction:
|
33 mm Mikuni BST 33 SS carburetors
|
|
Ignition:
|
Electronic, Suzuki PEI
|
|
Starting:
|
Electric
|
|
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
|
|
Clutch:
|
Wet, multi-plate
|
|
Transmission:
|
5 Speed
|
|
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
|
|
Front Suspension:
|
38mm Telescopic, coil spring, air damped
|
|
Front Wheel Travel:
|
240 mm / 9.4 in
|
|
Rear Suspension:
|
Full floater rising-rate monoshock with adjustable preload.
|
|
Rear Wheel Travel:
|
220 mm / 8.7 in
|
|
Front Brakes:
|
Single 280 mm disc, 2 piston caliper
|
|
Rear Brakes:
|
160 mm Drum
|
|
Front Tyre:
|
90/90-21 54S
|
|
Rear Tyre:
|
130/80-17 65S
|
|
Caster:
|
39°
|
|
Trail:
|
138 mm / 5.4 in
|
|
Steering Angle:
|
43°
|
|
Turning Radius:
|
2.3 m / 7.5 ft
|
|
Dimension:
|
Length: 2270 mm / 89.4 in Width: 925 mm / 36.4 in Height: 1310 mm / 51.6 in
|
|
Wheelbase:
|
1505 mm / 59.3 in
|
|
Ground Clearance:
|
262 mm / 10.3 in
|
|
Seat Height:
|
876 mm / 34.5 in
|
|
Dry Weight:
|
175 kg / 389 lbs
|
|
Wet Weight:
|
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 ¼ Mile:
|
13.6 sec / 151.2 km/h / 94 mph
|
|
Top Speed:
|
168.1 km/h / 104.5 mph
|
|
Road Test:
|
Motosprint Group Test 1989
|