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Author Topic: Carby for 504  (Read 2671 times)

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Offline Butcher

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Carby for 504
« on: August 11, 2014, 04:07:16 pm »
Went to nenock swap meet and a gs500 followed me home. After a few discussions with lots of wise men, they tell me to throw away the bing  and get a mikuni flat slide. Is this good advise, and if so do I buy new or s/hand?
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Offline oz555ktm

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Re: Carby for 504
« Reply #1 on: August 11, 2014, 05:05:15 pm »

  I will swap you ..

  Your Mates must ride Jap Bikes ...

  If your Bing is not worn out I will Swap you ..
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And Please forgive me as I cant Spell for Shit ...
And I have very Bad Gramer ...too I been told ......

Offline jurado

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Re: Carby for 504
« Reply #2 on: August 11, 2014, 05:13:26 pm »
I am running my 1990 GS500 and 1983 495 with Keihin 39 PWK. 52-55 slow jet, 175 main jet, and a CEG needle is what KTM of america recommends.

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Offline Luffy

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Re: Carby for 504
« Reply #3 on: August 11, 2014, 05:28:44 pm »
Bings are great if in good nick. But I put delorto 40 phm pumper and it makes it more responsive to bottom end and was recommended by type flight riders of the day. So if good enough for them I'm not going to argue
Bings can make starting interesting when cold thou.
Where did you acquire the best from? And what year
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Offline VMX Andrew

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Re: Carby for 504
« Reply #4 on: August 11, 2014, 06:51:03 pm »
Have a 560 Rotax fourstroke with the Mikuni flatslide on it and it absolutely hammers.
Starts ok hot or cold not hesitation or flatspots,cant tell you the settings
on the carb as I haven't had the bike for very long.
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Offline supermotomc

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Re: Carby for 504
« Reply #5 on: August 12, 2014, 03:23:17 pm »
Bert would have said why fit a car carburetor ?if you refurbish the Bing ,float needle-needle &needle jet it how it was designed
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