Technical specifications
|
| Model: |
ISDT |
| Years: |
1957 |
|
Engine:
|
2 cylinder, 2 stroke, flat-crowned pistons
|
|
Capacity:
|
247 cc / 15.1 cub in.
|
|
Bore x Stroke:
|
54 x 54 mm
|
|
Cooling:
|
Air cooled
|
|
Lubrication:
|
Petrol oil mix 25:1
|
|
Clutch:
|
Multi disc in oil bath
|
|
Starting:
|
Kick start
|
|
Battery:
|
6V, 6Ah
|
|
Ignition:
|
6 V 45/60 W ignition set, battery and coil
|
|
Carburetor:
|
Single Bing carburetor
|
|
Exhaust System:
|
Twin, steel, chrome
|
|
Max Power:
|
13.1 kW / 18 hp @ 5590 rpm
|
|
Compression Ratio:
|
1: 6.6
|
|
Transmission:
|
4 Speed gearbox housed in engine block, foot gearchange
|
|
Final Drive:
|
Chain, fully enclosed
|
|
Frame:
|
Double tubular frame with sidecar adapter.
|
|
Front suspension:
|
Twin swinging leading link forks with shock absorber and steering damper
|
|
Rear suspension:
|
Plunger shock absorbers, adjustable for load and road conditions
|
|
Tyres (front and back):
|
3.25 x 16 in.
|
|
Brakes (front and back):
|
Drums, 180 mm diameter
|
|
Dimensions:
|
Length 1968 mm / 77.5 in. Width 650 mm / 25.6 in. Height 935 mm / 36.8 in.
|
|
Wheelbase:
|
1257 mm / 49.5 in.
|
|
Dry Weight:
|
135 kg / 298 lbs
|
|
Wet Weight:
|
145 kg / 320 lbs
|
|
Fuel Capacity:
|
12 L / 3.2 US gal
|
|
Reserve:
|
3.8 L / 1 US gal
|
|
Average Consumption:
|
3.6 l/100 km / 27.8 km/l / 65.3 US mpg
|
|
Top Speed:
|
125 km/h / 77 mph
|
|
Colours:
|
Black, Red
|