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occasional spark


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#1 Guest_jdecker94_*

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Posted September 12, 2011 - 07:12 PM

so i went to start the bolens. after getting a generous donation of a keyswitch and key from my buddy. and only once every few seconds will it spark. he told me the flywheel magnets may be rusty or dirty. or the magnet on the coil might be dirty. so i guess ill go clean them with emery paper and see what happens.

#2 speedyg OFFLINE  

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Posted September 13, 2011 - 01:34 AM

This may be a duh guestion, but did you have this problem befor you installed the new switch?

#3 Guest_jdecker94_*

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Posted September 13, 2011 - 05:48 AM

there was no switch in it. so no clue. i wish people would just tell me tractors have problems instead of selling me a big surprize

#4 massey driver OFFLINE  

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Posted September 13, 2011 - 07:26 AM

Not sure what motor you have in the tractor but it could be dirty points as well.Larry

#5 MH81 OFFLINE  

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Posted September 13, 2011 - 07:29 AM

How long did it set? Points corrode, magnets rust, pickups rust. Sometimes all it takes is time and water.

#6 Guest_jdecker94_*

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Posted September 13, 2011 - 02:53 PM

its a tecumseh oh140. its in my new g14. the guy said it sat a year. it has a battery in it dated 2009. so i cleaned the flywheel magnets, 2 little nubs that go past the coil. cleaned the coil magnet. then i had no spark but my friend says i need to gap the coil with the back part of a match book. so i did that and now i need to get the engine tin on and pray its not my coil.

#7 MH81 ONLINE  

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Posted September 13, 2011 - 04:49 PM

my friend says i need to gap the coil with the back part of a match book.


A business card will work too. That's what I've used in the past.

#8 Guest_jdecker94_*

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Posted September 13, 2011 - 05:57 PM

alright i gapped it. all is well its sparking in the same pattern as before. now i looked in the tecumseh service manual and under intermittent spark. it says to: "Disconnect ignition cut-off wire at the engine. Crank
engine. If spark, check ignition switch, safety switch
and interlock switch. If no spark, check magneto.
Check wires for poor connections cuts or breaks."

now my question is. where is the ignition cut off wire?

#9 Guest_jdecker94_*

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Posted September 14, 2011 - 03:41 PM

also could it be my pto safety brake/clutch safety ect?

#10 MH81 ONLINE  

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Posted September 14, 2011 - 08:50 PM

now my question is. where is the ignition cut off wire?


If you are the flywheel side of the engine, there is a small insulator at the 8:00 position. There are 2 wires that connect to it, one goes in under the housing, and one goes back to the switch.

Do yourself a favor, if you disconnect this wire and still the same, check the kill wire going under the tin and make sure it isn't grounding on the flywheel periodically.

#11 Guest_jdecker94_*

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Posted September 15, 2011 - 03:48 PM

yup shes sparking like hell now. can i run it without that plugged in?

#12 Guest_jdecker94_*

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Posted September 15, 2011 - 04:17 PM

it runs great. i feel like a little kid on christmas morning.

#13 MH81 OFFLINE  

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Posted September 15, 2011 - 04:38 PM

yup shes sparking like hell now. can i run it without that plugged in?


Yeah, but you can't shut it down. LOL

I see a either a replacement or toggle switch in your future. :D

#14 MH81 ONLINE  

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Posted September 15, 2011 - 04:41 PM

after getting a generous donation of a keyswitch and key from my buddy....


BTW, almost nothing is free. I think this switch is your problem. Or the wires /insulator is grounding out.

#15 Guest_jdecker94_*

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Posted September 15, 2011 - 05:00 PM

also i forgot to add it doesnt charge now =(




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