Technical specifications
|
Model: |
Speed Twin 500 |
Years: |
1938-46 |
Engine:
|
Four stroke, parallel twin, OHV
|
Capacity:
|
498 cc / 30.4 cub in.
|
Bore x Stroke:
|
63 x 80 mm
|
Compression Ratio:
|
7.1:1
|
Cooling System:
|
Air cooled
|
Induction:
|
Single Amal carburetor
|
Ignition:
|
6 V, magnetic flywheel
|
Starting:
|
Kick
|
Max Power:
|
20.9 kW / 28 hp @ 6000 rpm
|
Clutch:
|
Wet, 6 plate
|
Transmission:
|
4 Speed
|
Final Drive:
|
Chain
|
Frame:
|
Singe tube frame
|
Front Suspension:
|
Rigid fork with leaf spring
|
Rear Suspension:
|
Rigid, spring loaded saddle
|
Front Brakes:
|
Drum
|
Rear Brakes:
|
Drum
|
Front Tyre:
|
3.25 - 19
|
Rear Tyre:
|
3.50 - 19
|
Dry Weight:
|
182 kg / 401 lbs
|
Fuel Capacity:
|
18 L / 4.8 US gal / 4.0 Imp gal
|