Pinasco 251 advice
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Vespa T5 251, Lambretta GP200
Joined: 27 Jul 2019
Posts: 22
Location: Leeds, England
Tue Nov 17, 2020 1:29 pm quote
TIA and thanks for all your previous posts. They've helped.

I am unable to find a 30mm PHBH Sinister rubber mount type carb for sale in the UK but I have other carbs sat here that I could use. (28mm PHBH dextra, 28mm and 32mm PWK).

I was just trying to follow the advised set-up in the very limited instructions as a starting point which are:

PHBH 30mm

60 pilot
40 slide
X3 Needle
145 > 135 MJ

I'm just wondering what the equivalent jetting would be to other carbs, preferably one that I already have!

I am definitely being a bit cautious here because besides the ride for MOT I will probably not use this until next spring and if I do it will be short rides in city traffic.

Thanks guys.
Joined: 26 Oct 2015
Posts: 2877

Tue Nov 17, 2020 2:34 pm quote
What size needle seat are you using?
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