Rebuilding & tuning a Vespa, help needed!
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GTS 300 SuperSport ’16
Joined: 10 Jan 2019
Posts: 1
Location: Finland
Thu Jan 10, 2019 3:25 am quote
Hi everyone.

My dream and obsession is to buy a Vespa PX200 and to rebuild it and tune it to something about 30hp.

I am a complete beginner with the older Vespas and I hardly know anything about mechanical things but I`m eager to learn and take time with this ”hobby”.

The problem is that I dont`t know where to start.. I live in Finland and there are only 1 PX200 for sale. It`s a 1998 PX200 Disc, 25000km and 2850€.

There are also a few 125 and 150 for sale..

Which of those would be the smartest to buy and tune for exaple with this?

Could this be an easier solution for a beginner or just waste of money?

Or is it better to have for example Malossi/Polini 221?

Is the frame the same in 125/150/200?

What is the best/easiest way to start rebuilding a PX?
There are so many options and questions that I`m confused...

Any information would be greatly appreciated, thanks!
Molto Verboso
One or two fun scoots....nothing too precious
Joined: 17 Jul 2013
Posts: 1074
Location: UK (South East)
Thu Jan 10, 2019 4:31 am quote
Maybe buy the Euro 1400 P125 and spend the difference on a set of Malossi reed cases, MHR kit, crank etc. If that really is a 1985 scooter, it should have a decent gearbox to transfer over. You'll just need to change the primary drive to something like a 65T or 64T. The scooter has a MK1 headset, so it's age will need verifying. A MK1 gearbox would not be so good for what you are planning.

The Malossi cases would be a good investment for a 30HP build, so don't limit your search to PX200. You'll be spending Euro 700 minimum just on the exhaust, carb and reed manifold.

The BFA stuff is very good but very specialist. However, I wouldn't say a waste of money. Just too much money for many people.
too many
Joined: 16 May 2012
Posts: 59
Location: Norway
Thu Jan 10, 2019 4:46 am quote
Hi Rob10!

Congrats on your facination of Vespa!

Anyway, maybe something "turn key" could be interesting;

If not, you need PX200 casings, Malossi MHR, a decent crank, decent pipe, decent carb, decent ignition to achieve your goal of 30bhp...

I would guess you end up on around at least 1500,- Euros just for the parts...

And then you shall make all the parts play properly together...
-and believe me, if you don't do it properly, it will be very very costly...

So based on your competency, either buy a complete tuned scooter or engine. Or just drop your ambitions and go for a plug'n play tuning which will give you 15-20bhp...

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