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1000G suddenly not firing at all

  • Thread starter Thread starter motokid837
  • Start date Start date
M

motokid837

Guest
Fixed the starter, took the stator cover off, tightened the bolt back down on the end of the crankshaft so that the starter turns the motor.

Now, even though it ran perfect yesterday, the bike will not give a spit or a sputter what-so-ever. The starter motor turns and turns the motor but nothing fires. All the spark plug wires are on and I literally did nothing to the bike (besides removing the stator cover) since yesterday. I am so confused as to what could have possible happened. :confused:
 
Were you fixing something in your starter or the starter clutch? is the bike making any noises at all? if the starter is just spinning you likely don't have the starter clutch aligned properly or the bolt is still loose. Or....there are some wires not connected properly. I'd check the easy thing first.
 
azr said:
Were you fixing something in your starter or the starter clutch? is the bike making any noises at all? if the starter is just spinning you likely don't have the starter clutch aligned properly or the bolt is still loose. Or....there are some wires not connected properly. I'd check the easy thing first.
Click to expand...

Literally the only thing I did was tighten up the big bolt right behind the stator cover, that is it. I didn't turn or take off any gears or anything. The only noise the bike is making is coming from the exhaust but that is just from the motor spinning from the starter. The bolt was tightened to 70 foot pounds and was put on very tight. there is no doubt in my mind that its turning the motor.

I know this is very difficult to diagnose as it is such a vague problem.
 
"...even though it ran perfect yesterday"

Well.not really, cuz it wouldn't start due to loose starter clutch! You must have accidently disconnected something - think slowly about what you did and retrace your steps
 
Could I have done something wrong to the stator when I took the cover off? Like maybe loosened the wires to the stator? Would that cause an issue like this?
 
motokid837 said:
Could I have done something wrong to the stator when I took the cover off? Like maybe loosened the wires to the stator? Would that cause an issue like this?
Click to expand...
Nope, don't need the stator to start bike- just need juice to ignition system and motor to turn-are you absolutely sure engine is turning?
 
Look for a blown fuse. If nothing else then start at the beginning.

1: Check for spark
2: Check for fuel

It's easy to overlook the obvious when things suddenly go wrong. Take your time and think it through.
 
I took the stator off again. The bolt did come loose again but had only just came lose because I was cranking on the starter over and over again. Im gonna re-tighten it again with loctite and all and close it back up. No fuses are blown, they all look good. I will close it up and start from the beginning like you guys recommend...
 
Make sure you get it to torque specs and do the loctite correctly, including drying time. You sure don't want that bolt to keep coming loose.
 
Check your harness carefully, you unplugged something when you removed or refitted the tank, check the low tension plugs to your coils, they live under there.
If you checked.....check again.
 
Okay so I went to the spark plugs (they were new when we first got the bike a few weeks ago) I took them out, cleaned them, as well as the boots to make sure there was a good connection. (just for fun I rolled it in gear to be sure the motor was moving fine) I cracked the bowl screws and made sure that fuel was in the bowls.

After cranking on the starter for a bit I got the bike to fire two different times for like a half second, it went up to idle then right back to stall.

I then went to flyboys idea and re-checked the wiring harness and all wires to the coils under the gas tank and I evened cleaned some of the wired connections with contact cleaner. And there was no improvement. I'm back to beating up the starter and the battery is starting to die again.

Even though I did get the bike to do SOMETHING, just the day before that you had to hardly touch the starter and it fired up perfectly, so here I am again..questioning my sanity :mad:

P.S. I also checked the petcock, fuel was going through fine
 
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After cranking on the starter for a bit I got the bike to fire two different times for like a half second, it went up to idle then right back to stall.
Click to expand...
Says there must be some sort of spark, but check each and every plug, unscrew the plugs, insert into spark plug lead and crank engine over with starter, with plug laying on engine to ground it, check for spark, repeat with all four.
If all checks out, check that the firing order is correct, one coil should be hooked to 1 and 4 and the other coil to 3 and 2 cylinders.
Try swapping the two, in other words, the coil that is connected to 1 and 4, connect to 3 and 2 and of course the one connected to 2 and 4 connect to 1 and 4 an see, however they should not be easily confused as the plug caps for 1 and 4 have more of n angle than the plug caps for 2 and 3, but nothing to lose.
If that all checks out, sounds like you may have a rich cut problem, as you say there is fuel in the bowls, maybe due to a stuck float/s or perished diaphragm in the fuel tap, allowing fuel to run down the vacuum line.
Turn fuel tap to off, open throttle wide open and crank and see if it starts, if so and keeps running for a few seconds, you have a rich cut problem.
Remove the oil filler cap and smell the crankcase for fuel, pull the vacuum line off the fuel tap and check for signs of fuel.
Get back to us and we take it from there.
 
Ok, just checked my wiring diagram, The coil with the black and yellow wire feeds plugs number 2 and 3, and the coil with the white wire feeds plugs 1 and 4.
it matters not which lead you put on 1 or 4 or on 2 or 3 as they both fire at the same time, as long as each respective coil is feeding the correct two plugs.
 
Okay so I double checked the plugs, I get a nice blue spark from each plug, and all the wires are going where they should. I removed the oil filler cap and the unless my mind is playing tricks on me because I am at a loss...It do think it smells like a mix of oil and fuel. I put the tank back on and held the throttle wide open and after a few attempts the bike did the same thing, revved up for a half second and stalled.
 
Well to be fair, I left the bike on prime the night I had the starter come loose. Could that have lead to this problem? If so...How do I fix it!? Change the oil?
 
Like Tom says replace it. Has the level of your oil increased ? Georgefix on Ebay sells them cheaper than most if he has yours in stock.
 
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