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cyclemanbill
Weekend Warrior
Joined: Nov 30, 2011
Posts: 25
Location: POLK CITY
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 Posted: Thu Dec 01, 2011 2:43 pm Post subject: A100 |
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Hello, I'm a new member with a new project bike who is glad to have found this site.
I can tell from lurking that you have some motorcycle wizards here.
I just aquired a 1977 A100 with 2600mi. its in great shape, well that is it looks good, but it no run.
No spark......cleaned & gapped points, checked out the usual suspects, loose wires, kill switch etc.
I can see evidence where someone else has traveled this same electrical path before me.
This brings me to the ignition coil. Can it be tested with a multimeter?
I have ordered a new coil from ebay China, so I'm lookin a several weeks of waitin.
Any ideas of what to check would be greatly appreciated. Thanks Bill
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dorT500
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Joined: Jul 10, 2008
Posts: 1639
Location: Galveston County, Tx.
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| Posted: Fri Dec 02, 2011 11:43 am Post subject: Re: A100 |
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| cyclemanbill wrote: | .........No spark......cleaned & gapped points, checked out the usual suspects, loose wires, kill switch etc.
This brings me to the ignition coil. Can it be tested with a multimeter?..... |
Known good battery? Even if new? Checked for electrical continuity when points are closed? Here is one way to check the coil...checking the resistance with the mutimeter at the ohms setting. You need to find what range specs are applicable to your 6 volt coil. I tried to find your coil specs for a few minutes but have not found them yet. The people you bought the new coil that you are waiting on could of course find out from their supplier what the specs are and the seller may even know. Could not hurt to email and ask him.
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GONE.......WITH A PUFF OF SMOKE AND A BLUR OF SPOKE........
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cyclemanbill
Weekend Warrior
Joined: Nov 30, 2011
Posts: 25
Location: POLK CITY
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| Posted: Fri Dec 02, 2011 4:58 pm Post subject: |
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Thanks dorT500, thats what I was a lookin fer. My primary side is showing 3 ohms, my secondary is showing 8.2k ohms Looks like I gotta wait for that slow boat from China.
This site rocks........Bill
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dorT500
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Joined: Jul 10, 2008
Posts: 1639
Location: Galveston County, Tx.
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| Posted: Sat Dec 03, 2011 1:02 pm Post subject: |
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| cyclemanbill wrote: | | ............................ My primary side is showing 3 ohms, my secondary is showing 8.2k ohms Looks like I gotta wait for that slow boat from China......l |
I am not so sure that 8200 ohms on the secondary indicates a bad coil. Those numbers above in the chart are for the 12 volt larger bikes as indicated in the drawing. Also, have you checked to see the the insulating washers on the breaker points are in good shape? Solid mounting on the breaker plate? Condenser?
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butch8231
Weekend Warrior
Joined: Mar 13, 2011
Posts: 169
Location: Ocala,fl
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| Posted: Sun Dec 04, 2011 1:02 am Post subject: |
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A bad condenser will cause a no spark condition also. You can use a 6 volt universal colt from an auto parts store 
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MY BIKES: 1967 YAMAHA YL1E, 1980 HONDA CB900C, 1982 SUZUKI GS1100GL(project bike), 1975 KAWASAKI Z-1 903 . |
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cyclemanbill
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Joined: Nov 30, 2011
Posts: 25
Location: POLK CITY
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| Posted: Mon Dec 05, 2011 8:05 am Post subject: |
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Thanks again guys. I took the condenser off bike and it tested bad.
I'll keep y'all posted as I continue to investigate the case of the missing spark.
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dorT500
Gear Head
Joined: Jul 10, 2008
Posts: 1639
Location: Galveston County, Tx.
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| Posted: Mon Dec 05, 2011 1:42 pm Post subject: |
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| cyclemanbill wrote: | Thanks again guys. I took the condenser off bike and it tested bad.
I'll keep y'all posted as I continue to investigate the case of the missing spark. |
Here is the result of a hurry up search for a wiring diagram in case you do not have one.
http://www.bbs.phakdee.com/simple/?t412.html
EDIT: hhhmmmm....maybe I am not in such a hurry now that I start looking around the forum the wiring diagram came from. Interesting.. 
http://www.bbs.phakdee.com/
Edit: right click on page field for translation option.
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GONE.......WITH A PUFF OF SMOKE AND A BLUR OF SPOKE........
_______________________________________
Last edited by dorT500 on Tue Dec 06, 2011 9:32 am; edited 1 time in total |
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cyclemanbill
Weekend Warrior
Joined: Nov 30, 2011
Posts: 25
Location: POLK CITY
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| Posted: Mon Dec 05, 2011 5:37 pm Post subject: |
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| Thanks for the diagram, I can sure use it.
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