noggin
2nd Class Ticket
Posts: 34
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Post by noggin on Nov 9, 2008 15:07:08 GMT
My 1959 Vespa 150 has a SI 20/17 carb as standard. Would a new 20/20 carb bolt sraight in? I guess I might have to change the box too so wonder if that would go straight in. Cheers.
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Post by skrappey on Nov 9, 2008 16:41:50 GMT
Why?
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noggin
2nd Class Ticket
Posts: 34
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Post by noggin on Nov 9, 2008 16:56:08 GMT
Erm, because the original carb is pretty knackered and that size is not available from dellorto anymore. A new carb seems to be cheaper than reconditioning the old one.
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Post by bryno on Nov 10, 2008 8:44:08 GMT
Yep it will fit, but if you have the older style choke flap carb box you'll need to change to the later type box to go with your new carb which will have an internal choke. Box lids are the same.
Think the choke cable is different as well and you'll also need to mess about with the jetting on the 20/20.
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noggin
2nd Class Ticket
Posts: 34
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Post by noggin on Nov 10, 2008 16:39:18 GMT
Nice one, cheers Bryno. It is the old style box with built in choke. Any ideas where I might get a standard box?
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