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Cranking Problems (Read 427 times)
S-P
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Re: Cranking Problems
Reply #45 - 04/10/14 at 07:49:31
 
mhart731 wrote on 04/10/14 at 07:26:27:
I think we found the problem. At TDC the rocker arms don't budge.


Double check that you are on TDC on the correct stroke.
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oldNslow
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Re: Cranking Problems
Reply #46 - 04/10/14 at 08:25:55
 
S-P wrote on 04/10/14 at 07:49:31:
mhart731 wrote on 04/10/14 at 07:26:27:
I think we found the problem. At TDC the rocker arms don't budge.


Double check that you are on TDC on the correct stroke.


Amen to that. Roll the engine over several times and make sure that you never get to a place where the timing marks are lined up and BOTH rocker arms are free. If that turns out to be the case you're going to need a service manual I think. I don't know if anyone is going to be able to walk you through checking the valve timing by typing back and forth.

I'm making one assumption here - that you didn't try doing a valve adjustment when you were working on the bike prior to the not starting issue.  
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mhart731
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Re: Cranking Problems
Reply #47 - 04/10/14 at 09:48:56
 
Here's an update on my problem. I bypassed all safety switches, filled it with new gas. I made sure I was on TDC on compression stroke and set the valve clearances. Picked up a compression tester, it shows 130 psi. New spark plug and fully charged battery. I've got a couple of theories. Either some kind of electrical or relay, or maybe the starter. Here's a videos of starting attempts. One with choke and one without.

http://youtu.be/sJOIb-qGabM
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« Last Edit: 05/09/14 at 13:51:06 by mhart731 »  
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mhart731
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Re: Cranking Problems
Reply #48 - 05/09/14 at 13:52:03
 
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Dave
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Re: Cranking Problems
Reply #49 - 05/09/14 at 13:59:05
 
That sounds an awful lot like a weak battery.....the neutral light is nearly going out when the engine hits top dead center.  There may not be enough battery to run the spark right when you need it.
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old_rider
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Re: Cranking Problems
Reply #50 - 05/09/14 at 14:18:11
 
Rectifier ? short or loose ground not allowing power on start?

Leaky vacuum plug?


guess I should go back and reread again....been awhile since I read the full post.

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