OP
UTC

Member
Gt200 2003
Joined: UTC
Posts: 19
Location: Norfolk England
 
Member
Gt200 2003
Joined: UTC
Posts: 19
Location: Norfolk England
UTC quote
Hi guys, great site here.

OK I'm looking to buy a Gt200 2003, been looking for a tidy one in Vintage Green for a while and clean ones are tough to find nowadays.

....but she has a leaking accelerator pump....as pump is part of float body it appears the float body bore to pump plunger is worn out...seen this before on other applications and is a no fix fault.

As a 2003 I'm guess it's a Walbro, possibly a Keihin Cvk30, I know they are interchangeable.

Question. I can buy a new Keihin GT125 carb for £130, but the Gt200 is £450. I'm just wondering if the difference is merely jet size or, venturi bore, needle and jet tapers etc.

Any help most welcome as at the moment it a deal breaker.

Cheers guys
@derek_88 avatar
UTC

Hooked
Vespa gt 125
Joined: UTC
Posts: 143
Location: Broxbourne herts
 
Hooked
@derek_88 avatar
Vespa gt 125
Joined: UTC
Posts: 143
Location: Broxbourne herts
UTC quote
Hi I have 03 gt125 and from what I've read the carbs are identical but the 125 has bigger jets.. so just needs jets swapping over..I'm sure someone will be more specific
OP
UTC

Member
Gt200 2003
Joined: UTC
Posts: 19
Location: Norfolk England
 
Member
Gt200 2003
Joined: UTC
Posts: 19
Location: Norfolk England
UTC quote
Many thanks
OP
UTC

Member
Gt200 2003
Joined: UTC
Posts: 19
Location: Norfolk England
 
Member
Gt200 2003
Joined: UTC
Posts: 19
Location: Norfolk England
UTC quote
Information for 125 and 200 carbs.
Forum member supplied image with no explanatory text
Forum member supplied image with no explanatory text
Forum member supplied image with no explanatory text
OP
UTC

Member
Gt200 2003
Joined: UTC
Posts: 19
Location: Norfolk England
 
Member
Gt200 2003
Joined: UTC
Posts: 19
Location: Norfolk England
UTC quote
125 carb new
Forum member supplied image with no explanatory text
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