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Won't start, will run if you pour gas in carb?

yamaha wave runner won't start. it will fire up momentarly if gas is poured into breather.
Richard Fleming, July 2006
Rebuild carbs with Mikuni MK-BN44 kit and replace the throttle valves to prevent vacuum leaks. The additional air gap lowers the vacuum signal needed to pull fuel through the low speed circuit. The wear occurs on the sides around the throttle shaft.
Ref: http://www.pwctoday.com/showthread.php?t=76392

Any other solutions out there? Contact vjpca@yahoo.com

Vince, April 2007
you need to adjust the carburator.

freddy, September 2006
link Click here to see other fixes for Yamaha.