strange new development

  • donaldderby
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strange new development

12 May 2011 20:51
#450548
if i blow through the overflow tubes on my 84 kz 700 it starts right up what gives? other wise it take forever to start
84 kz700a1

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  • mjg15
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Re: strange new development

12 May 2011 21:23
#450553
Because you probably have dirty pilot jets, a restricted enrichening circuit, and/or a vacuum leak at the intake manifold. Blowing into the vents forces gas into the venturi area somewhere, and that gas then burns. Clean and synch the carbs carefully and it should start better.
'80 Z750fx
'81 KZ550A
'81 GPz550's, Too many!
'82 KZ1000R
'82 GPz750
'90 ZR550


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  • donaldderby
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Re: strange new development

12 May 2011 21:47
#450555
i know where the jet is but how do i get to the pilot jet and how can i unrestrict the enriching circut. Also i dont know if its related but when choked the bikie idles extreamly high
84 kz700a1

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  • DoubleDub
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Re: strange new development

13 May 2011 00:00
#450595
Your manual should have all the necessary things to check for adjustments. Sounds like they need a good cleaning.

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  • wireman
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Re: strange new development

13 May 2011 03:56
#450645
dump a big ol can of sea foam in the tank and go for a long hard ride B)
posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.

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  • ElSombreroNegro
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Re: strange new development

13 May 2011 04:41
#450648
+1 on sea foam. Was a godsend on my varnished up old carbs. Even took the carbon off the intake valves.
(Mostly) 1976 KZ750 Twin in a (Mostly) 1978 KZ200 frame (dont ask me what I was thinking)

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  • donaldderby
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Re: strange new development

13 May 2011 18:06
#450751
thanks for the replys ill try the seafoam, as far as the manual i have one on order for a 750 as i was told they are the same but no dice on one for a 700. Thanks again
84 kz700a1

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Re: strange new development

15 May 2011 00:24
#451079
got it all thanks for the help the winner was restricted enriching circut
84 kz700a1

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