zx9r won't start - Kawasaki Forum :: KawasakiWorld.com
 
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post #1 of 8 Old 11-04-2005, 09:13 AM Thread Starter
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zx9r won't start

i was riding parking lots last night, trying some wheelies.

i set it down after only maybe a 100 ft wheelie, turned around, tried it again, the bike stumbled. weird....tried it again, same thing. grabbed the clutch, rev'd it up, it wouldn't rev past 4k. parked it, turned it off, waited for a few, tried it again, it won't fire at all.

what could it be?

its a 2001 zx-9r, 11k miles, with a hindle slip on. no jet kit, never touched the carbs, never had valves adjusted (to my knowledge). the plugs look good, the fuel line isn't clogged, all the fuses looked good, battery is charged. i have no idea. maybe a fuel pump? need to adjust valves?

help!!!!!!!

-jb
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post #2 of 8 Old 11-04-2005, 10:28 AM
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I take it that the engine spins up / turns over? but does not start.

For Tech Questions Bike Model letters are more useful than saying the year, for uk owners anyway, as registration year is not always year of manufacturer model.
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post #3 of 8 Old 11-04-2005, 10:34 AM
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Should of added it maybe the fuel pump relay which is normally located under the back seat behind the tool storage area.

For Tech Questions Bike Model letters are more useful than saying the year, for uk owners anyway, as registration year is not always year of manufacturer model.
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post #4 of 8 Old 11-04-2005, 10:47 AM Thread Starter
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yeah, it turns over, but it won't fire.

there was a loud clicking in the tail section when i'd try to turn it over too. thats why i checked all the fuses, but couldn't fina any blown.

i'm thinking either fuel filter completely clogged (the fuel line from the petcock to the pump is clear, didn't check after the pump), dead fuel pump, or maybe a problem with the relay from me trying to crank it over so much.

could a valve adjustment just cause a bike to be running one second, stumble the next, then not fire at all? i wouldn't think so......

think it might just be fuel related?

-jb
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post #5 of 8 Old 11-04-2005, 12:38 PM
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Sounds like fuel to me, can you smell fuel at the exhaust pipe? if not fuel problem.
When you press the starter button the fuel pump runs constantly until the starter button is released and then it only ocationlay pumps from the firing of number one plug and then only if the fuel pressure between the pump and the carbs is less than 1.6 psi to 2.4 psi, anyway chances are the fuel relay is at fault
You could bypass the relay via shorting the red to the black and blue wire where the wires go into the fuel relay, or feed a shorting link to the red wire on the pump from the positive on the battery.

For Tech Questions Bike Model letters are more useful than saying the year, for uk owners anyway, as registration year is not always year of manufacturer model.
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post #6 of 8 Old 11-04-2005, 07:49 PM
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I'm going with the clogged fuel filter on this one.

The story: I was riding my injected beemer years ago and i turned down a road that was really bumpy. I got about twenty miles into it when my bike began running funny.

As it turned out I had churned up some schmeggy in the fuel tank and plugged up my filter.

Nowadays with ethanal, you could have churned up some water too.

Where motorcycles are concerned, the only fear I have is that I may not live to ride again.
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post #7 of 8 Old 11-05-2005, 06:44 AM
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Any gas in it?

May your life be long and useful like a roll of Charmin!!!
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post #8 of 8 Old 11-07-2005, 09:21 AM Thread Starter
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it was a dead fuel pump relay. got a new one, turned it over, bike fired right up.

thanks for all the help guys. :D

-jb
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