GS150

Anything related to Vespas... ask tech questions, post helpful info, or just read and learn.
soosh
registered user
Posts: 1106
Joined: Sun May 03, 2009 2:01 pm
Main scooter: GP RS200 Iron barrel
Contact:

Anyone having trouble with old carbs?
Fruitjuice
registered user
Posts: 201
Joined: Fri Jan 09, 2009 8:26 pm
Location: Ghent, Belgium
Contact:

I sold mine before I restored it, but I've heard on the original carbs due to bad lubrication the slide on the carb wears out the horizontal bore in the housing leading to bad running on idle and lack of top end power.
One solution was using an adapted manifold with a 24mm Mikuni carb...
Life shouldn't be a journey to the grave with the intention of arriving safely in a pretty, well preserved body, but rather to skid in broadside, in a cloud of smoke, thoroughly used up, totally worn out, loudly proclaiming: "WOW, WHAT A RIDE"
soosh
registered user
Posts: 1106
Joined: Sun May 03, 2009 2:01 pm
Main scooter: GP RS200 Iron barrel
Contact:

I used a rubber hose at 90 degrees and used a 25mm carb but it was too long and didnt do performance any good.Im looking into a manifold to allow the PX carb to be mounted keeping the manifold short.If good i get get them made if there is a demand.
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