BGM CARB

Anything related to Vespas... ask tech questions, post helpful info, or just read and learn.
Hotdog
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Will their be any benefit fitting a bgm fast flow carb to a PX200 with a sip2 exhaust ? The scooter is to be used as a rally going scoot, so plenty of motorway miles to be undertaken at full throttle.
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Bofs
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Main scooter: Zundapp Betta 500
Location: Derry
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No need, I have the same set-up as yourself and on the open road I only use full throttle if I`m on my own, never any problems with fuel starvation.
Muffspeed....no muff too tuff
Bad Samaritans SC

1957 Zundapp Betta 500 Auto
1966 Motovespa Sprint 210 Polossi
1960 Lambretta Cutdown 205 Project
Hotdog
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Have you the carb jetting to hand ?
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Muttley McLadd
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Are you replacing the carb for some other reason anyway?
CakeAndArseParty
Hotdog
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No, was just worried about fuel starvation.
cartmel808
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Main scooter: 1975 Vespa Rally 200 Femsa
Location: Durham, England
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No need to change your carb - but you will need to up your main jet by a couple of sizes over standard (if you haven’t already done so).
On my Rally 200 with sip 2 pipe I run a 120 main jet & drilled filter - whilst a mates P200 with same pipe runs with a 122 mj & drilled filter... no fuel starve issues & both can sit happily at WOT till the fuel runs out.


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Hotdog
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Thanks that’s reassuring to know
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