Its the brand, some 90 deg valves are fine on front.
Some are longer than others.
Change it, you dont want any stress or impact on the valve.
On vespas ive only ever used Michelin Airstop with no problem on back or front.
A learning curve.....that what scooters are.

yes it will be fine on a PX

Pressure should be circa 18 front 26 rear solo

cracking thread and some nice work.

Gaz

Sorted

Crikey....Welcome back Johnny650..... consistent as one of the 'LCGB is s**t' club to shove your opinion down throats with all the advantages there are to not being a member.... ;) As everyone knows by choice you are no longer a member which suits you.....which is great, so come on just stop slaggin...

Hello
Good to hear its a 2t !!!
G

35mm dia hole in the filter

Found them for 99p! Worth a punt

Pattern versions not genuine B&S £2.50 on ebay!!!

Again a good old Indian flywheel saves the day !!!

SIL flywheels still my first choice ( welded and lightened)