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Reload this Page K301 no spark at points
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  #11  
Old 07-17-2017, 08:58 AM
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Alvy Alvy is offline
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You need to verify wiring is correct. Here's the link to diagram

http://www.onlycubcadets.net/forum/showthread.php?t=35

Points shouldn't have spark at them, make sure you deglaze the points. I know you said you did but make sure. if wiring correct then Buy a cheap 12 volt test light and test for positive at positive post of coil during start. If present, next step is, While starting, probe negative side of coil while starting, test light should flash. If it stays on constant, points aren't closing properly, if light is not on at all, coil is open or points aren't opening properly and coil needs to be replaced/points adjusted. Let us know your findings.
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Originally Posted by ol'George View Post
When the engine is cranking, you should get test light on with points together and test light off with points open.
check to see why this is not happening, possibly the points or connecting wires are grounding all the time.
the points act as an off/on switch for the coil.
the coil fires when the points open
If this not happening, you will not get any coil to work.
What we said
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  #12  
Old 07-17-2017, 11:21 AM
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Thanks for the helpful comments so far everyone.

Quote:
Originally Posted by ol'George View Post
When the engine is cranking, you should get test light on with points together and test light off with points open.
check to see why this is not happening, possibly the points or connecting wires are grounding all the time.
the points act as an off/on switch for the coil.
the coil fires when the points open
If this not happening, you will not get any coil to work.
To check this do I just need to make sure the coverings on the condenser and points wires are good or rewrap in electrical tape? I thought about maybe a ground at the points themselves and made sure the rubber gasket behind it was on properly, no problems there.

Since the tower is way out of specs I'll be ordering a coil today. I may just get a plug wire while I'm at it as well.
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  #13  
Old 07-17-2017, 05:01 PM
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Just check things as they are, and eliminate things one @ a time.
The coil might be bad, but make sure the points are making/braking as they should and not grounding out.
Sometimes it's where the wire is connected to them, or on the cover or a bare place to the coil, or on the points themselves.
When you are sure they are operating correctly, you might be surprised that the coil works even though it is out of spec's.
It costs nothing to try.
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  #14  
Old 07-17-2017, 05:48 PM
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X2 what ol'George said.
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  #15  
Old 07-17-2017, 07:20 PM
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  #16  
Old 07-19-2017, 01:24 PM
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Quote:
Originally Posted by ol'George View Post
Just check things as they are, and eliminate things one @ a time.
The coil might be bad, but make sure the points are making/braking as they should and not grounding out.
Sometimes it's where the wire is connected to them, or on the cover or a bare place to the coil, or on the points themselves.
When you are sure they are operating correctly, you might be surprised that the coil works even though it is out of spec's.
It costs nothing to try.
I went over everything and didn't find anything amiss. No wire cracks splits or breaks, rubber gasket behind points good, no cover problems, etc. My new coil came today so hopefully that will do the trick, I'll post results when I get it on and try it.
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  #17  
Old 08-29-2017, 10:38 PM
jcsmith jcsmith is offline
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Well, inquiring minds want to know. Is it fixed?

Chris
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  #18  
Old 04-19-2023, 08:42 PM
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My K301 engine was running just fine today while mowing then all of a sudden it just shut off & would not start.
I did find a loose wire that broke off the 2nd terminal of the voltage regulator after I wiggled it so replaced the connector.
All other wiring looks fine throughout the system.
No Spark at plug No Spark at points so I'm thinking the coil or condenser or both went out because it was running fine right before it quit.
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  #19  
Old 04-19-2023, 09:50 PM
R Bedell R Bedell is offline
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No Spark at plug No Spark at points so I'm thinking the coil or condenser or both
Get out the DVM and check your Ignition Coil.
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  #20  
Old 04-20-2023, 03:59 PM
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Originally Posted by R Bedell View Post
Get out the DVM and check your Ignition Coil.
Ok So I disconnected the + side of the coil wire that runs towards the generator then ran a jumper wire from the + side of the coil to the + side of the battery & she fired right up & ran fine.So now I need to find out where that wire from the + side of the coil goes it runs along the frame & I can only assume back to the ignition switch? Am I right on that?
Appreciate you're help!
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