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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: PLEASE HELP ME NEW TOPIC NEW POLL POST REPLY
gearheads101


Novice Class
Posts: 39
posted January 06, 2014 06:01 AM        
PLEASE HELP ME

I have a 2001 zx12 with 7557 miles on it. For the life of me I can't figure out what's wrong with it but I'm assuming its something electrical. I CANT GET MY BIKE TO CRANK UP. So far I've replaced the ignition wire harness I've ordered a new tip sensor but hasn't got here yet. Fuel pump does not prime and I have no spark. When I turn the motor over the oil light flashes but not the fi light. The oil was just recently changed. The bike was laid down and it hasn't started since. If there's ANYONE WHO HAS ANY INPUT AT ALL OF A POSSIBLE SUGESTION IT WILL BE GREATLY APPRECIATED. THANKS
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gearheads101


Novice Class
Posts: 39
posted January 06, 2014 06:06 AM        
I also noticed that when I switch to neutral the light doesn't come on
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frEEk


Administrator
ummm... yeah
Posts: 9650
posted January 06, 2014 11:33 AM        
If you can find a local 12 owner with the same year (or a dealer) try to swap the ECU to see if it works correctly then. Otherwise I'd think your idea of replacing the tip over sensor is a good idea.
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tuusinii


Pro
Posts: 1016
posted January 06, 2014 03:20 PM        
Check clutch, and side stand swich.


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jquick


Novice Class
Posts: 36
posted January 07, 2014 08:39 AM        
Check kill switch above starter button
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jquick


Novice Class
Posts: 36
posted January 07, 2014 08:43 AM        
Never kno
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gearheads101


Novice Class
Posts: 39
posted January 07, 2014 08:52 AM        
The kkill switch won't let it turn over at all if its not working correct
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dougmeyer


Needs a job
moderated
Posts: 2709
posted January 09, 2014 08:14 AM        
Check the stator wiring in the harness at the rear plug. Look for oil in the plug that has been pushed up the harness. If it's wet, you need a stator. There was a service bulletin. Do a search.
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Gunner


Needs a life
Posts: 5778
posted January 09, 2014 04:23 PM        
quote:
Check the stator wiring in the harness at the rear plug. Look for oil in the plug that has been pushed up the harness. If it's wet, you need a stator. There was a service bulletin. Do a search.



I was going to suggest the Steam regulator but I'll bet you're onto something...

In all seriousness if the bike was on it's side and ran before that event I would think some of the suggestions above are good places to start. Like the side stand switch and the clutch switch. What side was it laid over on? Was the impact severe or a simple low speed drop? What made you suspect the stuff you already replaced? Was there damage to the wiring harness? One more simple thing, The 12R is very fickle about battery voltage. The thing can have enough power to roll the starter and still NOT fire up. Make sure your battery is smoking hot charged before anything else.
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gearheads101


Novice Class
Posts: 39
posted January 10, 2014 06:57 AM        
the bike was laid over on the right side I replace the harness just to replace it because I didn't figure out why it wouldn't start I got the tip over sensor in today going to install that in the morning battery voltage may also be a big key saying that I have to use a set of jumper cables to get it to turn over the bike was lay down doing about 40 miles per hour try to take a curb too hard andbike slid from under him I've also did a valve adjustment since I had already taken the motor of the bike
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Creedxup


Parking Attendant
Posts: 9
posted January 11, 2014 12:22 AM        
If the bike hasn't run since you did the valve adjustment, I would check that the cam timing is correct and that all the marks line up.
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gearheads101


Novice Class
Posts: 39
posted January 12, 2014 07:11 AM        
I ordered a new battery put the new tip sensor in and still no spark or fuel pump

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dougmeyer


Needs a job
moderated
Posts: 2709
posted January 12, 2014 07:48 AM        
What was the last thing you did before it would not respond. What happened between the time it started and the time it wouldn't?

Can you get another junction box to swap so you can eliminate the relays?

Did you inspect the wires from the stator. Nothing heat damaged there?

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gearheads101


Novice Class
Posts: 39
posted January 12, 2014 08:33 AM        
No heat damage it belonged to afroend of mine he laid it down and got scared of it and sold it to me im gonna try and get another junction box this week if i can find 1 bike ran fine before it was laid down
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dougmeyer


Needs a job
moderated
Posts: 2709
posted January 12, 2014 11:05 AM        
I have seen corrosion on the contacts in the actual switch on the handlebar. Have you taken the housing off the bar and made sure the switch is actually closing the circuit? You can check it with a meter at the plug as well.
I THINK those are two Black/Red wires on the switch side of the plug.
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gearheads101


Novice Class
Posts: 39
posted January 12, 2014 11:39 AM        
I havnt check that yet but ill check it in the am thanks
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gearheads101


Novice Class
Posts: 39
posted January 13, 2014 05:57 AM        
ok I have checked the junction box its good no corrosion in the handle switch this issue is driving me nuts. I have a buddy whos an electrician gonna get him to go thru it and check all the wires and relays
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dougmeyer


Needs a job
moderated
Posts: 2709
posted January 13, 2014 10:48 AM        Edited By: dougmeyer on 14 Jan 2014 02:54
Boy, this is a puzzle!

I don't want to focus on the junction box, but failures there may not be visible. It contains diodes, solid relays relays that can fail.
Easy to eliminate if you can borrow a working one.

You know I seem to remember something about an anti-theft circuit in there. Maybe do a search on that.....
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gearheads101


Novice Class
Posts: 39
posted January 13, 2014 10:51 AM        
I dont no any 1 here in cola sc with 1 called all the shops none have it in stock gonna order 1 fron ebay hope it fixes the problem
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gearheads101


Novice Class
Posts: 39
posted January 17, 2014 05:40 AM        
what does the pressure sensor do could this be my problem
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dougmeyer


Needs a job
moderated
Posts: 2709
posted January 17, 2014 11:34 PM        
No, not relevant.

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gearheads101


Novice Class
Posts: 39
posted January 18, 2014 05:15 AM        
Ok stil tryna figur i out new junction box should be here tuesday im pullin my hair out with this problem
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gearheads101


Novice Class
Posts: 39
posted January 19, 2014 03:41 AM        
ok I was playing with my 12 today I unplugged the cdi box and nothing changes. its like it doesn't matter if its there or not. I can still turn the motor over lights and everything still function normally. on my gsxr if I unplug the cdi box nothing works saying its the brain could that be my problem based on this description
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blitzkrieg


Needs a job
Road kill = Free lunch.
Posts: 2044
posted January 21, 2014 01:05 PM        Edited By: blitzkrieg on 22 Jan 2014 05:07
I'm going to go with either the kick stand switch, tip over switch or kill switch like many others have stated. If any one of them goes south it will do exactly what you are explaining.

Just don't start replacing things though. You are just wasting money until you really know what the problem is.

I assume you have the manual and are prepared to start going through the troubleshooting steps? If not, you should be. Going at this issue blindly is just going to frustrate you and you may never figure it out via that method unless you get real lucky.
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Gunner


Needs a life
Posts: 5778
posted January 21, 2014 04:27 PM        
Replacing the harness as a first step is extreme and potentially very problematic in itself. Taking wild swings at what's wrong with this thing and replacing this, that,and everything without any of it fixing the thing I'm going with the guy about that states go BACK and check where you installed the cams at. AT the risk of sounding like I'm talking down to you no competent mechanic would start off by replacing the harness and a mechanic that would do that right out of the gate is probably not the right guy to be pulling the cams out and adjusting the valves on a 12R motor. I don't mean to sound shitty but there's something very simple that a simple test meter and a few hours tracing down the different systems AFTER you check the timing marks on the cams FIRST THING FROM HERE.. A few hours spent wisely will save you a pile of money and lots of wasted time. That's just how I would proceed .
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