1953 Simplex Automatic Specs

motorcycle specs

These are the known mechanical and performance specifications for your 1953 Simplex Automatic.

Basic Specs

Year1953
MakeSimplex
ModelSimplex Automatic
Cost

Engine

Displacement130.00 ccm (7.93 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression6.5:1
Bore/Stroke50.8 x 64.3 mm (2.0 x 2.5 inches)
Valves/Cylinder
FuelingCarburettor
IgnitionMagneto
Exhaust
Lubrication
Cooling

Drivetrain

Gearbox
Final DriveBelt
Clutch
Driveline

Performance

Horespower4.00 HP (2.9 kW)
Torque
Top Speed

Fuel Economy & Polution

Fuel Consumption
Fuel Capacity9.46 litres (2.50 gallons)
Emissions

Chassis

Frame TypeDuplex loop
Rake
Trail
Front SuspensionShort rocker arms and two coil springs
Front Travel
Rear SuspensionRigid
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase1,194 mm (47.0 inches)
Dry Weight61.2 kg (135.0 pounds)
Wet Weight

Wheels & Brakes

Front Tire/Tyre2.50-26
Rear Tire/Tyre2.50-26
Front Brakes
Front Brake Diameter
Rear Brakes
Rear Brake Diameter
Wheels

Comments

It appears you're interested in specifications for the Simplex Automatic. This Allround model is powered by a Single cylinder, two-stroke engine with 130.00 ccm (7.93 cubic inches) of actual displacement before 6.5:1 compression. Fueling is metered via Carburettor allowing this machine to produce its 4.00 HP (2.9 kW) horsepower and torque. According to our records engine heat of the Simplex Automatic is moderated by . You'll need to get familiar with the transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 2.50-26 and the rear is 2.50-26 . The entire package is supported by the frame, Duplex loop. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on front brakes and rear brakes. The Simplex Automatic was launched in 1953, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.