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1979 Yamaha Enticer 340 hard starting...need help !

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sept...@peoplepc.com

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Jan 29, 2007, 12:49:18 AM1/29/07
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The ignition is strong, but when cold, it doesn't get adequate fuel to
the carb. Once I loosen the fuel line at the carb, crank engine, it
starts ! What am I missing....thanks in advance !

vilulf

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Jan 31, 2007, 4:05:51 AM1/31/07
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is your fuel tank vent plugged partially or completely?
or perhaps the fuel pump isn't operating at 100% capacity?
or, maybe a restricted fuel return line?
** just a few things to check.


( sounds like something is creating negative pressure [vacuum] in your fuel
delivery line to the carb )

John

<sept...@peoplepc.com> wrote in message
news:1170049758.8...@v33g2000cwv.googlegroups.com...

sept...@peoplepc.com

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Feb 2, 2007, 12:57:59 AM2/2/07
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On Jan 31, 3:05 am, "vilulf" <vilu...@sbcglobal.net> wrote:
> is your fuel tank vent plugged partially or completely?
> or perhaps the fuel pump isn't operating at 100% capacity?
> or, maybe a restricted fuel return line?
> ** just a few things to check.
>
> ( sounds like something is creating negative pressure [vacuum] in your fuel
> delivery line to the carb )
>
> John
>
> <septic...@peoplepc.com> wrote in message

>
> news:1170049758.8...@v33g2000cwv.googlegroups.com...
>
> > The ignition is strong, but when cold, it doesn't get adequate fuel to
> > the carb. Once I loosen the fuel line at the carb, crank engine, it
> > starts ! What am I missing....thanks in advance !

Thanks for your help. the machine starts every time now, just cranks
longer than what I had expected as the machine is new to me. I've
been told it has a fuel enrichener instead of a choke and perhaps it
needs adjustment--any idea how to do that?

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