|
General information |
|
Model name
|
Simplex Automatic |
|
Year model
|
1951 |
|
Type
|
Allround |
|
Rating
|
Do you know this bike?
Click here to rate it. We miss 2 votes to show the rating. |
|
Engine and transmission |
|
Engine size
|
130.0 ccm (7.93 cubic inches) |
|
Type of engine
|
Single cylinder, two-stroke |
|
Effect
|
4.0 HP (2.9 kW)) @ 4000 RPM |
|
Compression
|
6.5:1 |
|
Bore x stroke
|
50.8 x 64.3 mm (2.0 x 2.5 inches) |
|
Fuel system
|
Carburettor |
|
Fuel control
|
Overhead Valves (OHV) |
|
Ignition
|
Magneto |
|
Transmission type
|
Belt (final drive) |
|
Chassis, suspension, brakes and wheels |
|
Frame type
|
Duplex loop |
|
Front suspension
|
Short rocker arms and two coil springs |
|
Rear suspension
|
Rigid |
|
Front tire
|
2.50-26 |
|
Rear tire
|
2.50-26 |
|
Seat
|
Solo seat with springs |
|
Physical measures and capacities |
|
Dry weight
|
61.2 kg (135.0 pounds) |
|
Power/weight ratio
|
0.0653 HP/kg |
|
Wheelbase
|
1194 mm (47.0 inches) |
|
Fuel capacity
|
9.46 litres (2.50 US gallons) |
|
Other specifications |
|
Modifications compared to previous model
|
This year has direct drive with clutch. |
| Update specs | Report missing specs or required updates. |
|
Further information |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 51 Simplex Automatic discussion group or the general Simplex discussion group. |
| Related bikes | List related bikes for comparison of specs. |
|
Compare with another motorcycle |
|
|
|
|
Pictures of classic bikes wanted
Bikez is now publishing specs for pre 1970 motorcycles. We invite our users to upload pictures of classic motorcycles. You will get your name and
bike on Bikez.com. Search for the bikes you have pictures of and use the link to upload pictures. See our contribution page. We also have a
discussion group about restoration and valuation of each bike. Vintage
and veteran bikes can be sold and bought through our free motorcycle classifieds.
|
|
Pictures, trademarks and logos of third parties are the exclusive
property of the respective owners. Technical specifications are subject to change without notice.
