Vespa 50 Special elaborated, how to make it?

Posted on 18.11.2021

Owning an ad hoc Vespa 50 Special is the desire of many. The Vespa 50 Special, in fact, is the model that has gone down in history as the best-selling from 1969 to 1983. This Vespa has not only broken the box office record, but has also contributed to spreading the fame of Italy in the world and has left an indelible mark, in the 70s and 80s, in several generations.
Everyone talked about this model coming out of the Piaggio house, everyone still talks about it also because it is continually celebrated both with films and fiction and with songs. The latest in order of arrival is for example the Disney animated feature film entitled Luca. It therefore seems trivial to underline how the 50 Special has become a real myth in the world of two wheels and today, despite being out of production for years, it is one of the most sought after models by enthusiasts and collectors. Those who buy one for their own collection, perhaps, want to restore it, those who, on the other hand, find it in the garage want to be able to develop it to whiz around the city again and remember the trips they made when they were younger.

So how to get an elaborate Vespa 50 Special? If you can't buy it, can you make it yourself? In reality, the experts advise against anyone who does not have specific knowledge groped to develop their own Vespa 50 Special independently and always indicate that they should always contact a professional in the trade. In fact, it is necessary not to carry out any illegal action and to allow the vehicle to be able to walk on the road in complete tranquility and above all safety.

How to develop a Vespa 50 Special?

How to make an elaborate Vespa 50 Special? The changes that can be made are really numerous.
First of all, you can change the thermal group with a brand one Polini 75cc with dual-band piston. Then you can opt for a carburetor and a 16.16 Dell'Orto manifold. For example, this is the only way to obtain the right compromise between the performance of the legendary two-wheeler and the containment of fuel consumption. Everyone else can choose a collector 19. Experts recommend, with the thermal group Polini from 75cc the manifold 16.16. It is, in fact, a winning combination. In addition to this, the 19.19 model is more suited to the Vespa 125 ET3 Primavera than to the 50 Special.
To get the best tuned Vespa 50 Special on the market, you must also focus on the Proma expansion muffler. The relationship between quality and price is able to surprise all Vespa lovers and give the vehicle a truly special touch.
To increase the speed reached by your Vespa 50 Special, you can buy an engine kit Polini, a Proma muffler, a 51 mm stroke sapling with an anticipated 20 cone to make Pinasco and finally: carburetor, manifold and gearbox cruise. Which carburetor and which manifold is best to use? Industry experts recommend an intake manifold Polini 24mm diameter with 2-bolt attachment. For the carburetor the choice should fall on a 24mm PHBL with female connection.
Six bearings may also need to be positioned: on the flywheel-side crankshaft, on the clutch-side gearbox secondary, on the clutch-side crankshaft, on the clutch housing, on the primary gearbox and finally on the secondary of the flywheel-side gearbox.

Vespa 50 Special tuned: what the kit is made of Polini

To develop a Vespa 50 Special, everyone knows, without a shadow of a doubt you need an engine kit Polini. What, however, can this kit be made of? Among the necessary pieces are:

One cylinder kit Polini 115 tsp

An advanced crankshaft cone 10 stroke 43

Ratios 24-72 for Vespa 50

Proma muffler

50 mm DRT V50.2S cruise

Clutch plates

Carburetor Dell'Orto 19.19

Intake manifold

Air filter for carburetor

Intake manifold reduction

Ring for intake manifold reduction

Intake manifold reduction gasket