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Simplex Automatic
1942Allround

Simplex Automatic

Key specifications

Engine
130 cc
Power
4 HP
Weight
61 kg
Fuel type
petrol
Fuel capacity
2.5 L

Technical details

Source specification data

Make
Simplex
Model
Automatic
Category
Allround
Modifications Compared To Previous Model
This year the transmission is direct drive and no clutch.
Power
4.00 HP (2.9 kW)) @ 4000 RPM
Ignition
Magneto and dual spark plugs
Fuel System
Carburettor. Tillottson
Bore X Stroke
50.8 x 64.3 mm (2.0 x 2.5 inches)
Compression
6.5:1
Displacement
130.00 ccm (7.93 cubic inches)
Engine Details
Single cylinder, two-stroke
Transmission Type Final Drive
Belt
Dry Weight
61.2 kg (135.0 pounds)
Fuel Capacity
9.46 litres (2.50 gallons)
Power Weight Ratio
0.0653 HP/kg
Seat
Solo seat with springs
Rear Tyre
2.50-26
Frame Type
Duplex loop
Front Tyre
2.50-26
Rear Suspension
Rigid
Front Suspension
Short rocker arms and two coil springs