Moto Guzzi’s first dedicated competition motorcycle the C4V – With Phil Aysnley

This is the first dedicated competition bike from Moto Guzzi, a C4V.

Moto Guzzi's C4V - The first dedicated racer
Moto Guzzi’s C4V – The brand’s first dedicated racer

While the company’s first production model was the 1923 two valve C2V, the original bike that Carlo Guzzi and Giorgo Parodi constructed in 1920 was the ‘G.P.’

The C4V was advanced in featuring a four-valve head
The C4V was advanced in featuring a four-valve head
Other features also set the C4V apart
Other features also set the C4V apart

The bike was advanced for the time with a four valve head among many other features. The C4V saw a return to this layout when it was released in 1924.

The C4V was immediately competitive in Italy and it's success spread through Europe
The C4V was immediately competitive in Italy and it’s success spread through Europe
The C4V finished first, in the original Championship of Europe race at Monza in 1924
The C4V finished first, in the original Championship of Europe race at Monza in 1924

It was immediately competitive, winning numerous Italian events before finishing first, second and fourth in the first Championship of Europe race (held over 400km) at Monza in September 1924.

The bike also won the German GP at Avus in 1924
The bike also won the German GP at Avus in 1924
The C4V heralded in Italian success in the 500cc class
The C4V heralded in Italian success in the 500cc class

Two weeks later a C4V won the German GP at Avus. In fact it was the first successful Italian 500cc class entry.

Only 486 C4Vs were produced
Only 486 C4Vs were produced
A Corsa factory bike was also produced
A Corsa factory bike was also produced
Power was 25hp with a weight of 130kgPower was 25hp with a weight of 130kg
Power was 25hp with a weight of 130kg

Apart from the limited number of Corsa factory bikes, 486 C4Vs were produced for privateers up until 1926.

A three-speed hand controlled gearbox gave access to speeds of up to 140km/h
A three-speed hand controlled gearbox gave access to speeds of up to 140km/h

A three-speed hand change gearbox was used, with power output of 25hp at 4500rpm. Wet weight was 130kg, with a top speed of 140km/h.