Question about 1999 kawasaki ZX-9R Ninja

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Starting problems,misfire and eventual refusal to run

Its a 98 floods when trying to start,after being left for 3 days it started 1st time and ran for a few minutes then misfire set in and after 30 seconds she cut out and refused to fire at all. when the bike was lifted off the sidestand,a mixture of petrol and water poured from the ram air intakes underneath the headlight!..anybody got any ideas?

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Hi it is definatly some dirt in the carbs, remove the main feed line from the tank into the carbs and gently blow some air into the carbs, and keep your face back, what this will do is blow any excess fuel includeing the dirt and trash that are in the jets out. just be careful not to blow it into your eyes. To actually see whats happing removing the airbox is also a good idea.I had the same problem with my 2002 zx9. Good luck

Posted on Mar 06, 2009


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Posted on Jan 02, 2017


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Honda Fireblade - Flooding (carburettor models only)

Dear Blade Runners

A friend of mine had an interesting problem. The bike would be ridden - no problem, parked and then when trying to start the bike after a few minutes or sometimes an hour or two, it would just planely refuse to start. You check for spark: it's there; you check for fuel and/or a fuel vacuum blockage and all is fine. Out of desperation you try starting the bike again after a day or so whilst driving around in your cage; it starts first time.
Sometimes you would ride around - no problem, stop to put in petrol or buy stuff at the cafe and bam; same problem again.

Cause: one or more needle and seats are leaking, causing flooding.

Solution: replace all four needle and seats, and btw while the carbs are out give them a good clean.

For a perfect job; synchronise the carbs afterward

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