metal or fibreglass ?

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.

the cheap one i bought on ebay has a 40mm hole

i recon your spot on , wasnt going fast enough to cause a fuel issue,

Stripped carb last night , pump jet is a 200, not 350, thats still sat in my PHBH30 ! could it be a lack of fuel or fuel/ tail pipe dia ?

had a slight heat seize coming back from a rally at the week end ,had been going about 10/12 miles at around 50/55 , going up a second hill nearly at the top bike started to struggle then and loose power, just as it went to nip i whipped in the clutch and coasted to a stop in a layby, scoot smelt re...

ask Harry Barlow mate, he did the work.

have a look on here.https://www.dellorto.co.uk/product-cate ... ors-parts/

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