Part 3: How to set-up a Dellorto PHBH carburettor on almost every Lambretta & Vespa scooter!

Strap yourselves in, the final chapter covers the following topics...


00:00 Intro 00:50 Overview Inc - Float Valve - Fuel Tap - Fuel Pumps - Matching Carbs to Kits - PHBL vs PHBH 08:05 T5 MB170 - SIP Tour Pipe 09:21 P210 Malossi - SIP L/H Pipe 10:40 T5 172 Malossi - SIP L/H Pipe 11:13 PX166 - JL Pipe 12:02 P210 Worb 5 Malossi - PM Pipe 12:47 T5 172 Malossi - PM Pipe 13:14 P210 Malossi - PM Pipe 14:00 Parma 130 - Leo Vince Pipe 14:31 Polini 210 - JL Nordspeed Rep 15:09 Quatrinni 172 - Curly Pipe 15:53 Quatrinni 200 - M8 Quatrinni Pipe 16:57 TS1240 - NK Tour 17:42 TS1225 - NK Tour 18:03 RB225 - ADS Mid 18:58 RB200 - ADS Race 19:40 Rapido 200 Classic - Sterling Pipe 20:16 BGM195 - MB Clubman 20:59 BGM225 - TSR Pipe 21:20 Avanti225 - DevTour 21:47 Lambretta & Vespa jetting bracket summary


NOTE: @ 22:17 I say 120-125 pilot, that is a slip of the tongue... I mean MAIN :)


Here is part 1: https://www.youtube.com/watch?v=mJLO9...

Here is Part 2: https://www.youtube.com/watch?v=L7dS2...


The PHBH is possibly the most underrated carb for Lambretta & Vespa scooters, repeatedly overlooked in favour of more ‘exotic’ setups. Yet the PHBH is affordable, available, easy to set up, and has a great balance of cost vs performance vs fuel economy. It’s the CBR600 of carburettors... a brilliant allrounder! Plus, for the vast majority of scooter owners, there are some very repeatable ‘base settings’ which you can use, for around 90% of all scooters, in order to get your ballpark starting point to work from and go on to perform plug chops with. There are also some crucial mistakes you must not make, as these can kill an engine very quickly if not followed.


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