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Old 01-23-2013, 09:42 AM   #61
Cyath OP
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Yep, she has a brand spanking new Yuasa battery on a battery tender and the spark was blue.
What's the CDI?
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Old 01-23-2013, 10:30 AM   #62
Dogtown
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Hummm?

Fuel coming in and sparking blue plugs equal combustion! The only thing I can thing of is fuel to air ratios not being correct for actual combustion. If this was the cause a sensor would be out somewhere and your FI would be throwing a fault code. My money is on a pinched wire some where. Check all over for missing insulation on wiring or a ground.

Good luck!
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Old 01-23-2013, 07:18 PM   #63
HeatXfer
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You've got spark & fuel: too much fuel? If the ECU lost control of the EFI leaving both injector valves open you'd experience the same symptoms you're having now. Can you smell gas at the exhaust tips?

Or maybe the fuel pump isn't running when you crank the engine, only when you turn the key to on. Again, an ECU failure.

2
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Old 01-23-2013, 11:38 PM   #64
achile
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Originally Posted by HeatXfer View Post
You've got spark & fuel: too much fuel? If the ECU lost control of the EFI leaving both injector valves open you'd experience the same symptoms you're having now. Can you smell gas at the exhaust tips?

Or maybe the fuel pump isn't running when you crank the engine, only when you turn the key to on. Again, an ECU failure.

2
Dosen't the pump need a bit of priming?

If you don't smell gas, you can always use a seringe and a hose to squirt some gas in the cylinder. My xtz 750 Super Tenere had this nasty habbit.
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Old 01-24-2013, 11:08 PM   #65
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Originally Posted by DuctTape View Post
Naw, as a matter of fact if you hit that switch the lights on the dash won't even come on and you'll think you have a dead battery.
Yeah right!
Come on.... all lights of the dash would be on if kill switch is pressed... and this is the same on all KTM motorcycles.

Repeat the spark test and do it properly. Take the ignition cable off and put a sparkplug into the plug and hold the spark plugs thread against the engine block, start and see if theres a healthy blue spark, repeat for second cylinder.
You could also check the kill switch, meaning measure it with an Ohmmeter and check if your bike is equipped with an roll-over switch which might be the reason why your bike didnt fire up before the battery mess. Even if your battery is brand new, take another one for testing... Try to get an ECU from a mates bike or someone in here for testing...

Good luck
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Old 01-25-2013, 02:47 AM   #66
Adventcha UnCut
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Originally Posted by Cyath View Post
@achile
Turn the key and it everything lights up as it should.
Fuel pump and ABS whir on key on.
Place your hand on the bottom of the fuel pump on the start up procedure to feel if it is actually working - no vibes then something is amiss. Pull the pump assembly out of the LHS tank & check to see if the neg (-) female wire hasn't pulled from the male in the bottom of the pump unit or other way around. From experience .

Good luck

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Old 02-03-2013, 06:47 PM   #67
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So, what happened? Did you take it to the dealer?
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Old 02-04-2013, 05:57 PM   #68
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So, what happened? Did you take it to the dealer?

+1
???

Did you not have the kill switch to on???
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Old 02-13-2013, 10:22 PM   #69
Cyath OP
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Well, just to put this thread to bed, it was the fuel pump after all. It was working, but when they pressure tested it, it wasn't putting out enough psi. Go fucking figure.
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Old 02-14-2013, 11:33 AM   #70
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All good ideas catalina83.
No FI code, and everything is back and plugged in again, rechecked.
At least an FI code would give me a starting point.
I hate to admit this, but I once hooked up the low fuel connection to the fuel pump and vice versa. I know- it's color coded so a monkey can figure it out.

Shit! Now that I got to the end, I want to delete this post.

But I won't. It may help somebody as dumb as me someday.

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Old 02-14-2013, 04:02 PM   #71
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Shit! Now that I got to the end, I want to delete this post.

But I won't. It may help somebody as dumb as me someday.
I shall not cast the first stone.

But I won't admit anything, either ; )
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