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  1. #1

    Exclamation Zxi 750 keihin carb issue

    My 97 zxi has been giving me hard start issues. It's a 750 with a pjs head. It's been taking a while to get her started and it only starts off starter fluid. Once she's up and running it will sputter and backfire in the intake. I noticed that it wasn't pulling fuel in the fuel filter, so I pulled the carbs apart. I noticed that the carb on the front cylinder seemed to have a restriction in the port behind the brass fitting. Once I got in there it actually seems like its a machined hole but it's very tiny. Is this normal on the return carb? The first carb with the pulse line is completely unrestricted. I'm at a loss here and this thing is driving me crazy. Any help would be greatly appreciated.


  2. #2
    steve45's Avatar
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    Install a Primer.

  3. #3
    Quote Originally Posted by steve45 View Post
    Install a Primer.
    I ordered one the other day. And a rebuild kit for the carbs. The diaphragm on the pulse line was ok but seems a bit worn out.

  4. #4
    steve45's Avatar
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    Don't know what you mean by the pulse line being a 'bit worn out'. They get brittle with age and crack. Check that it didn't split when you took the carbs off.

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