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General information |
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Model name
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Simplex Automatic |
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Year
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1942 |
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Category
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Allround |
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Rating
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Do you know this bike?
Click here to rate it. We miss 1 vote to show the rating. |
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Engine and transmission |
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Displacement
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130.0 ccm (7.93 cubic inches) |
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Engine type
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Single cylinder, two-stroke |
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Power
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4.0 HP (2.9 kW)) @ 4000 RPM |
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Compression
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6.5:1 |
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Bore x stroke
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50.8 x 64.3 mm (2.0 x 2.5 inches) |
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Fuel system
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Carburettor. Tillottson |
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Fuel control
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Overhead Valves (OHV) |
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Ignition
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Magneto and dual spark plugs |
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Transmission type
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Belt (final drive) |
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Chassis, suspension, brakes and wheels |
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Frame type
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Duplex loop |
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Front suspension
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Short rocker arms and two coil springs |
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Rear suspension
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Rigid |
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Front tire
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2.50-26 |
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Rear tire
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2.50-26 |
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Seat
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Solo seat with springs |
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Physical measures and capacities |
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Dry weight
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61.2 kg (135.0 pounds) |
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Power/weight ratio
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0.0653 HP/kg |
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Wheelbase
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1194 mm (47.0 inches) |
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Fuel capacity
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9.46 litres (2.50 US gallons) |
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Other specifications |
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Modifications compared to previous model
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This year the transmission is direct drive and no clutch. |
| Update specs | Report missing specs or required updates. |
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Further information |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 42 Simplex Automatic discussion group or the general Simplex discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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