1957 Velocette Mac Specs

motorcycle specs

These are the known mechanical and performance specifications for your 1957 Velocette Mac .

Basic Specs

Year1957
MakeVelocette
ModelVelocette Mac
Cost

Engine

Displacement349.00 ccm (21.30 cubic inches)
Type
DetailsTwin, four-stroke
Max RPM
Compression
Bore/Stroke68.0 x 96.0 mm (2.7 x 3.8 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingAir

Drivetrain

Gearbox4-speed
Final DriveChain
Clutch
Driveline

Performance

Horespower18.00 HP (13.1 kW)
Torque
Top Speed

Fuel Economy & Polution

Fuel Consumption
Fuel Capacity
Emissions

Chassis

Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight161.0 kg (354.9 pounds)
Wet Weight

Wheels & Brakes

Front Tire/Tyre3.25-19
Rear Tire/Tyre3.50-19
Front BrakesExpanding brake (drum brake)
Front Brake Diameter178 mm (7.0 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter152 mm (6.0 inches)
Wheels

Comments

It appears you're interested in specifications for the Velocette Mac . This Allround model is powered by a Twin, four-stroke engine with 349.00 ccm (21.30 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor allowing this machine to produce its 18.00 HP (13.1 kW) horsepower and torque. According to our records engine heat of the Velocette Mac is moderated by Air. You'll need to get familiar with the 4-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 3.25-19 and the rear is 3.50-19 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake) front brakes and Expanding brake (drum brake) rear brakes. The Velocette Mac was launched in 1957, 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.