Modern Vespa : Walbro carb jets

Walbro carb jets

wookey

UTC

details

Member

1999 ET4

Joined: UTC
Posts: 11
Location: Sussex UK

wookey

Member

1999 ET4

Joined: UTC
Posts: 11
Location: Sussex UK

UTC quote

Hi all

For some easy internet points, can I ask about the Walbro carb jets ET4 125.

Are they meant to have a hole right the way through them? Noticed tonight that the idle jet https://oem-parts.hu/en/upload/cache/l/g/5/lg51-000-071-284-idling-jet-34.jpgdoes not have a hole through the centre i.e. one that goes through the top and out the screw end

The other jet does although it was completely blocked solid. The side and top holes are open on both jets.

Thanks

Pinkscooter UTC details Addicted GTS 250ie Super, Italjet Velocifero, Scarabeo 150, S50, ET4, ET2 Joined: UTC Posts: 718 Location: Winston-Salem, NC
Pinkscooter Addicted GTS 250ie Super, Italjet Velocifero, Scarabeo 150, S50, ET4, ET2 Joined: UTC Posts: 718 Location: Winston-Salem, NC	UTC quote Jets are supposed to have a hole through the center. unless its clogged and needs cleaning. The size of that hole determines how much fuel the carb delivers.

OP wookey UTC details Member 1999 ET4 Joined: UTC Posts: 11 Location: Sussex UK
OP wookey Member 1999 ET4 Joined: UTC Posts: 11 Location: Sussex UK	UTC quote Thanks for the help. The jet is really blocked then. The top holes are all ok. Thinking I will re drill the main hole in the base. does anyone know the diameter of the hole? Everywhere is out of stock for the Walbro jets in the UK apparently.

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