Prev Next  

Advertisement

1957 Ariel 4G Mk II

1957 Ariel 4G Mk II Pictures

The Square Four originally had only two exhaust pipes.

The engine of the 1957 Ariel 4G Mk II motorcycle used the "square four" design, which consisted of two crankshafts geared together and four cylinders arranged in a square pattern, with a pair of pistons tied to each crankshaft.

Instruments were at the top of the headlight nacelle.
The 4G Mk II featured a plunger-type rear suspension.

For more great motorcycle articles and pictures, check out:

Advertisement

Advertisement

Advertisement

Advertisement

Advertisement

Advertisement


Advertisement


Recommended

Advertisement

Advertisement