PHBL carbs

Check here for a list of various carb set-ups to help with jetting and all aspects of carb trickery!
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Fri Aug 30, 2019 4:24 pm

Hi all,anybody used the PHBL 22mm,or the PHBL 26mm on their Stage 4 200cc Lambrettas?,if so,any base setting info greatly appreciated,thanks in advance....Kev

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Main scooter: Lambretta GP 150 going on 200
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Fri Aug 30, 2019 8:18 pm

I don't think the PHBL 22 is a popular carb. I have heard they are quite difficult to set up. Maybe that's why.

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Sat Aug 31, 2019 11:31 am

PHBL25mm seems to be the most common choice.
i ran one on a stage 4 with RS clubman ,thru a drilled airbox, with the swan neck cut out for better air flow.
Think jetting was AQ266 atomiser,D22 needle , main jet was around the 95/105 area.
Pilot 48.
dont be suprised on how small the main can be.
win or lose have a booze

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