Best Carby

im wanting a goood carby but i dont know nothing about pocket bike only the simple stuff so could you help me out
i have a cag F2 so what reall good carby that will fit my bike to improve my performance

Space in the F2 frame is extremely limited. Your only carby options are the stock carby and Walbro pumper style carbs as they are very compact. Dellorto SHA 14 and replicas will fit too but you won't have enough room to fit an air filter at all.
I highly recommend the Walbro setup on an F2 because it is fully tunable with just a flat blade screw driver. For a stock carb or dellorto it's virtually an engine out job just to get to the carby.

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No wheels - Woe is me

"It is better to say nothing and be thought a fool than to open ones mouth and remove all doubt."

ye thats true sould i get this would this work out?
15MM DELLORTO STYLE HP CARBURETOR POCKET BIKE PARTS - eBay (item 330271686363 end time Sep-19-08 14:49:08 PDT)

It will fit but you won't be able to use the air filter. The best you can hope for is to install some wire mesh over the carby inlet using a hose clamp to secure it. Then put a peice of plastic (ice cream container) over the hole between the carby and rear wheel to stop junk from getting thrown at the carby. That should do the trick so that you can get away with running just wire mesh. Keep the bike on clean road and there's every chance the engine will be just fine.

It's all a compromise.

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No wheels - Woe is me

"It is better to say nothing and be thought a fool than to open ones mouth and remove all doubt."

or instead of mesh, grab yourself some pantyhose from a supermarket for a few bucks and fold that over twice so the mesh is finer but still breathable then hold over the inlet or velocity stack with zip ties or something of that nature

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-SQ blata rep (47cc big bore kit, 19mm dellorto PHVB, Blata reeds, Blata crank, Zocchi Rep Pipe, 7mm reed spacer)
-911 rep (BZM 50cc 6 port top end, bzm bottom end, bzm 40cc pipe, BZM red crank, bzm gold head, BZM 18mm carb)
-D1 (50cc 5 port polini rep engine, 19mm del rep carb, bzm 50cc rep pipe)

Email:
nossta_nossta@hotmail.com

Sikko. I've tried the pantyhose and they don't work. There isn't enough surface area to allow the engine to breath well. The other draw back is that all carburettors on these engines suffer from a little blow back of air which blows some fuel mix back out the throat of the carby. With pantyhose on the mouth of the carb it gets saturated in fuel and then the engine chokes and won't run.

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No wheels - Woe is me

"It is better to say nothing and be thought a fool than to open ones mouth and remove all doubt."

oh ok,sorry my mistake

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-SQ blata rep (47cc big bore kit, 19mm dellorto PHVB, Blata reeds, Blata crank, Zocchi Rep Pipe, 7mm reed spacer)
-911 rep (BZM 50cc 6 port top end, bzm bottom end, bzm 40cc pipe, BZM red crank, bzm gold head, BZM 18mm carb)
-D1 (50cc 5 port polini rep engine, 19mm del rep carb, bzm 50cc rep pipe)

Email:
nossta_nossta@hotmail.com

mmmmm the thing is i dont wanna do that course knowing me ill stuff it up, theres only the bar on swim arm thats infront of the carby/filter i could grind that out completely and i can stick a proper filter?

You can't grind it out. That's the main support for the rear arms that hold your back wheel on. What is a better idea is to extend the engine mount plate and place the engine further forwards. Then having a new top engine mount made. Much safer and practical.

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No wheels - Woe is me

"It is better to say nothing and be thought a fool than to open ones mouth and remove all doubt."

grrrr i got this bike for 25 bucks and i can hardly do anything to it to make it fast i shouldnt got it and got a already fast 1