919 being fussy... - Wrist Twisters
 
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post #1 of 9 Old 03-16-2012, 06:36 PM Thread Starter
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919 being fussy...

Today my bike wouldn't start. It turned over, but sounded different. Checked the fuses and checked for spark. Good. Removed air filter and sprayed a little carb cleaner and also pushed down on the spark plug boots. #2 and #3 each went down a 'click'. Turned her over and fired right up. Now she's running normally. Any ideas what went wrong? hanks in advance.

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post #2 of 9 Old 03-16-2012, 06:52 PM
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One of those mysteries! I had a similar thing happen with our Jeep. Got a check engine light and codes said Intake Air temp sensor and knock sensor. Popped hood and found dipstick pulled half way out, wires severed for both sensors that are not that close to each other? The knock sensor wire looks like it was cut by wire cutter but the other wire was more smashed like? Only thing I can figure is a critter (Cat) got in there for the warmth and when it was started up it panicked and thrashed around and did the damage?

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post #3 of 9 Old 03-16-2012, 07:48 PM Thread Starter
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I found #2 wire attached to #3 plug and vice/versa. I haven't touched thoe since I last changed out the plugs. Is that possible?

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post #4 of 9 Old 03-16-2012, 08:00 PM
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shouldnt matter.... the same coil fires 2 and 3..... one coil handles outter cylinders (1 and 4) and another handles inners... 2 and 3. and fires both plugs at the same time always.

Id bet you were getting a weak spark... sounds like the plug wires wernt pushed all the way on.

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post #5 of 9 Old 03-16-2012, 08:34 PM Thread Starter
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Quote:
Originally Posted by nd4spdbh View Post
shouldnt matter.... the same coil fires 2 and 3..... one coil handles outter cylinders (1 and 4) and another handles inners... 2 and 3. and fires both plugs at the same time always.

Id bet you were getting a weak spark... sounds like the plug wires wernt pushed all the way on.
OK Thanks. BTW what is the firing order?

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post #6 of 9 Old 03-16-2012, 09:34 PM
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Quote:
Originally Posted by det5lonewolf View Post
OK Thanks. BTW what is the firing order?

1 3 2 4 if im not mistaken. given the fact that the outer cylinders and inner cylinders move up and down with eachother... but at 180 firing.

but dont quote me on that.

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post #7 of 9 Old 03-16-2012, 10:16 PM
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Quote:
Originally Posted by nd4spdbh View Post
1 3 2 4 if im not mistaken. given the fact that the outer cylinders and inner cylinders move up and down with eachother... but at 180 firing.
You know SOMEBODY had to do it...


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post #8 of 9 Old 03-16-2012, 10:32 PM
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Actually it is 1-2-4-3

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post #9 of 9 Old 03-16-2012, 11:35 PM
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damn i had a 50/50 chance and got it wrong haha.

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