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Carburettor jet sizes
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Gtx125
UTC
Lurker
Piaggio hexagon gtx 125
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Posts: 2
Location: Grimsby Lincolnshire
 
Gtx125
Lurker
Piaggio hexagon gtx 125
Joined: UTC
Posts: 2
Location: Grimsby Lincolnshire
UTC quote
Hi I have a Piaggio super hexagon gtx 125 if I open throttle to fast it dies if i do it slow it revs fine any suggestions please
@az_slynch avatar
az_slynch
UTC
Molto Verboso
'07 GTS250, '07 LX150, '81 P200E, '78 P200E, '74 VBC1, '64 V90 and 3 Ciaos
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Posts: 1656
Location: Tucson, AZ
 
az_slynch
Molto Verboso
@az_slynch avatar
'07 GTS250, '07 LX150, '81 P200E, '78 P200E, '74 VBC1, '64 V90 and 3 Ciaos
Joined: UTC
Posts: 1656
Location: Tucson, AZ
UTC quote
From the symptoms you shared, it reads like the accelerator pump circuit in the carburetor isn't working.

Might need to dismantle the carburetor and clean the accelerator pump circuit.
OP
Gtx125
UTC
Lurker
Piaggio hexagon gtx 125
Joined: UTC
Posts: 2
Location: Grimsby Lincolnshire
 
Gtx125
Lurker
Piaggio hexagon gtx 125
Joined: UTC
Posts: 2
Location: Grimsby Lincolnshire
UTC quote
Thx I've checked and it's working correctly but the problem persists what size should the jets be the main jet that's in there is a 108 but the top of the pilot jet where the size should be stamped in is damaged so i have no idea what size the pilot jet should be
@bluecloud avatar
bluecloud
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Ossessionato
2018 GTS Super
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Location: Googleville
 
bluecloud
Ossessionato
@bluecloud avatar
2018 GTS Super
Joined: UTC
Posts: 2359
Location: Googleville
UTC quote
Can't just order from Piaggio?
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