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» Welcome to Pocket Bike Racing

Mikuni thumpster carby on pocket bike???

Posted in Pocket Bikes Performance Tips

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Old 03-03-2005, 11:09 PM
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Mikuni thumpster carby on pocket bike???

please help can u fit mikuni thumpster carbies on pocket bikes???
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Old 04-03-2005, 09:03 AM
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Pictures would help, need some dimensions, what size is the fitting to the manifold ?

Is it male or female ?

What size carby is it ?

For a air cooled or a water cooled ?

Good thinking though :wink:
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Old 04-03-2005, 05:11 PM
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my firend recommended a mikuni carb, i dont have much info but im hoping this is enoughthis is the website: http://dratv.com/20micaunreca.html
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Old 07-03-2005, 03:20 PM
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I looked into the specs and it's basically a 20mm carby.

For an air cooled bike anyhting you'd want some pretty serious mods and even then anything over 14mm tends to loose throttle respose and not gain any performance.

For a water cooled the 19mm Dellorto PHBG carby is pretty friendly to use but the 17.5mm PHVA seems to out perform it consistantly.

The 19mm Dellorto suffers from a lack of throttle response too, SO

I'm guessing that the Mukuni will be too big. Both for the motor and the size and shape of the carby it'self.

Happy to be proven wrong though. :wink:

FYI - The best carby I've tried on a modified air cooled so far is a carby off the water cooled. You can buy a manifold from Pocketracer or the US web sites and bolt it on with minimal fuss and it hammers. I've tried the Walbro's , bored out stock, and the chineese Walbro copy and the carby off the Water cooled bike beats the lot.
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