1993 Yamaha WRB700R starting problem

allen197531

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Joined
Jul 26, 2011
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I have a Yamaha wrb700r pwc. It will not start-seems to be fuel/vacuum problem.
I rebuilt the carb,new fuel filter,tune-up. It cranks but will not start unless I put my hand over the oil injection/air horn over carb. Then it starts and dies within a few seconds. Any ideas?
 
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