Please Help 2000 CBR929RR No Spark - Honda Motorcycles - FireBlades.org
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post #1 of 17 Old 01-22-2015, 12:07 AM Thread Starter
 
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Please Help 2000 CBR929RR No Spark

Okay new here this is my first post and I hope im not breaking any rules or guidelines but I bought a bike that from what I was told needed a ecu got a good deal on it so didn't bother me well I had a Honda mechanic on the phone and he was telling me that if the ecu is bad the fuel pump wont prime well mine does I just have no spark and im wondering if this could be because my battreys bad cause the battery I have in there is shot and wont hold or take a charge just wanting to know if I need to buy a ecu or battery any input would be great this is my first bike thanks in advance
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post #2 of 17 Old 01-22-2015, 1:18 AM
 
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Re: Please Help 2000 CBR929RR No Spark

This is what I would do in a pinch with a dead battery. I would jump it from a car battery, but with the car off. See if it's sparks and fires up then. Or buy a new battery.
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post #3 of 17 Old 01-22-2015, 1:19 AM Thread Starter
 
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Re: Please Help 2000 CBR929RR No Spark

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Originally Posted by aznpersuasion View Post
This is what I would do in a pinch with a dead battery. I would jump it from a car battery, but with the car off. See if it's sparks and fires up then. Or buy a new battery.
the thing is is that I have no juice in my battery nothing comes on until I hook the cables it cranked the other day when the battery would still somewhat hold a charge
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post #4 of 17 Old 01-22-2015, 1:22 AM
 
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Re: Please Help 2000 CBR929RR No Spark

Right, I had the same problem with an old gsxr. So it would crank but not fire with what little juice you had? I still say hook it up to a car battery or bike and try to start it and for sure eliminate the bad battery as a culprit.
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post #5 of 17 Old 01-22-2015, 1:24 AM Thread Starter
 
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Re: Please Help 2000 CBR929RR No Spark

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Originally Posted by aznpersuasion View Post
Right, I had the same problem with an old gsxr. So it would crank but not fire with what little juice you had? I still say hook it up to a car battery or bike and try to start it and for sure eliminate the bad battery as a culprit.
yeah I will try that in the morning im getting a new battery tmmrw evening and changing spark plugs anything else you would consider doing this is my first bike and I wanna make sure I do everything I can to keep it in good running condition
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post #6 of 17 Old 01-22-2015, 1:28 AM
 
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Re: Please Help 2000 CBR929RR No Spark

A bad bank angle sensor will cause either a no spark or no prime, not sure. Is your pump priming? Are you sure your getting fuel?
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post #7 of 17 Old 01-22-2015, 1:30 AM Thread Starter
 
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Re: Please Help 2000 CBR929RR No Spark

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Originally Posted by aznpersuasion View Post
A bad bank angle sensor will cause either a no spark or no prime, not sure. Is your pump priming? Are you sure your getting fuel?
I know my pump is priming I can hear it when I turn my key on and I haven't been able to check to see if the injectors are spraying cause everytime I have the tank off I cant get to them with the tank and airbox on
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post #8 of 17 Old 01-22-2015, 1:36 AM
 
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Re: Please Help 2000 CBR929RR No Spark

Pull the plugs and see if you can smell fuel when you crank
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post #9 of 17 Old 01-22-2015, 1:37 AM Thread Starter
 
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Re: Please Help 2000 CBR929RR No Spark

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Originally Posted by aznpersuasion View Post
Pull the plugs and see if you can smell fuel when you crank
alright I will try that
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post #10 of 17 Old 01-22-2015, 11:41 AM
 
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Re: Please Help 2000 CBR929RR No Spark

The fuel pump priming is a great sign.
now no fire is the bad sign. chances are if the fuel pump is primed you have fuel to the rail
and that means pressure.( Test it by pressing air release button)
Take off plug number 1 and ground it to the head while bumping engine with
starter button. (with solid 12 volts as stated by azn) If you have no spark, it may be due to the 100ohm resistor
is the ignition damged or hooked up wrong?

the bank angle sensor malfunction or disconnection will likely prevent the pump from priming.
The fact that is it priming but not sparking leads me to inspect ignition
but you probably just have a dead abttery
best
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post #11 of 17 Old 01-22-2015, 5:02 PM Thread Starter
 
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Re: Please Help 2000 CBR929RR No Spark

Quote:
Originally Posted by MACE_ View Post
The fuel pump priming is a great sign.
now no fire is the bad sign. chances are if the fuel pump is primed you have fuel to the rail
and that means pressure.( Test it by pressing air release button)
Take off plug number 1 and ground it to the head while bumping engine with
starter button. (with solid 12 volts as stated by azn) If you have no spark, it may be due to the 100ohm resistor
is the ignition damged or hooked up wrong?

the bank angle sensor malfunction or disconnection will likely prevent the pump from priming.
The fact that is it priming but not sparking leads me to inspect ignition
but you probably just have a dead abttery
best
where is the air release button located at
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post #12 of 17 Old 01-22-2015, 10:29 PM
 
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Re: Please Help 2000 CBR929RR No Spark

well its a fuel pressure rlease valve that looks like a tire valve for a car tire.
dont put your face near it, depress it, and if gas squirts out, you have pressure
its on the fuel rail its like a rod
but first verify you have spark or not by touching a spark plug to head
as it seems more of a spark not fuel issue
did you jump it off a car yet

edit whups i thought you were the op
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post #13 of 17 Old 01-22-2015, 10:31 PM Thread Starter
 
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Re: Please Help 2000 CBR929RR No Spark

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Originally Posted by MACE_ View Post
well its a fuel pressure rlease valve that looks like a tire valve for a car tire.
dont put your face near it, depress it, and if gas squirts out, you have pressure
its on the fuel rail its like a rod
but first verify you have spark or not by touching a spark plug to head
as it seems more of a spark not fuel issue
did you jump it off a car yet
I don't have spark but my plug is fould bad
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post #14 of 17 Old 01-22-2015, 10:32 PM
 
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Re: Please Help 2000 CBR929RR No Spark

put a fresh plug in it man
or take a lighter and burn off and clean old plug man
lets go ghetto grimy with it
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post #15 of 17 Old 01-22-2015, 11:02 PM Thread Starter
 
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Re: Please Help 2000 CBR929RR No Spark

Quote:
Originally Posted by MACE_ View Post
put a fresh plug in it man
or take a lighter and burn off and clean old plug man
lets go ghetto grimy with it
okay sorry for so many ?s I just to a multimeter out there I got power to my injecots fuel pump and when the key is on I pulled the spark plug boot out and stuck the probe in it and its showing 12v when the keys on and drops to 8 or 9 when cranking is this right ?
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