Coil Replcement On JD/Kohler 12.5s Oldie - Tractors & Mowers - Page 3 - DIY Chatroom Home Improvement Forum
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Old 04-11-2015, 09:49 AM   #31
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Good to hear that, JD! My buddy probably can wrap his head around this stuff without dumbing it down for me. I'm just a go between for now. Thanks again for breaking it down tho. Easier for me to relay to him by phone.
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Old 04-11-2015, 10:22 AM   #32
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Quote:
Not giving up,my friend.
Just didn't want too much technical info to confuse things.
RR, no Kohler I've ever seen( I'm 63 yrs old) had the ignition coil under the flywheel.
The STATOR coils, yes,but these are for charging and lighting,not ignition.
Older Kohler engines used an auto motive type ignition coil that mounted in a bracket on the side of the engine. 12v dc went to the - terminal of the coil,and a wire from the + terminal ran to the points.
Have a JD 112 with Kohler engine in my yard right now that came stock with ignition coil under flywheel along with charging coils. When its ignition coil died the previous owner opted to use automotive coil mounted outside. It works very well.
May I refer you to http://www.jackssmallengines.com/Jac...ine/20741/6882 ?

Look at what is bracketed in picture #9.

(BTW I am 70. Been around a long time. Also ASE certified Master Auto Tech with many years experience. Still willing to learn.
My apologies to OP for getting in crossfire. I just hate to see "misinformation" posted on forums.)

RR

Now I will go fix a TroyBilt steering malfunction.

Last edited by Rough Rooster; 04-11-2015 at 10:28 AM. Reason: additional info
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Old 04-11-2015, 12:32 PM   #33
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Well,RR, I stand corrected,and you have my apologies !
I have ,as I said,never seen this type of ignition ,on a Kohler engine !
All the one s that came through my shop ,were the external coil style ,from the factory .
So, I learned something,didn't I ?

No hard feelings on my part,I assure you.
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Old 04-11-2015, 12:51 PM   #34
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onjtrainee,
I apologize to you,if I've mislead your efforts.
Rough Rooster is correct,so I'll defer to his wisdom.

As a side note,I just went through my Kohler factory service manual,and it DOES NOT mention this system! I don't know if it's a" JD - only" thing,or what .
I guess it's time to update my manuals !
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Old 04-11-2015, 01:32 PM   #35
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No apology needed!
We are all trying to learn more and that is only possible through dialogue. Seemed to me we were having a good dialogue.
Hope all learned something here, especially onjtrainee.

I learned a long time ago to thoroughly test before purchasing parts to throw at a problem
Made an earlier post, but it disappeared in the 'etherland'.

Cheers

RR

BTW; John, what is the cart in your avatar?
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Old 04-11-2015, 02:28 PM   #36
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AHHH.....I love a good group hug!! I feel like a wonderful moment has transpired...like what never ever happens in my normal world...people apologize, get over it...learn something..and get'r done! I'm proud to be amongst you!!
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Old 04-11-2015, 03:55 PM   #37
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That WAS a 1438 Toro lawn tractor.
I built a1" square-tube (1/8" wall) frame ,and used the trans axle and steering gear to make a hunting buggy. It would fit in the back of my 1985 Chevy pick up,once the roll cage and top were folded,and stowed.
I used a CV490s engine ,for power.
Unfortunately,I moved to Arkansas,2 yrs ago,so I sold it ,along with 6 other lawntractors.
Here are some pics of it,in transport mode:
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Last edited by JD367; 04-11-2015 at 04:07 PM.
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Old 04-11-2015, 06:54 PM   #38
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Looks good from here.



Built five of these.
Attached Thumbnails
coil replcement on JD/Kohler 12.5s oldie-pony-cart-smaller.jpg  
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Old 04-11-2015, 09:30 PM   #39
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I like it!
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Old 04-12-2015, 08:45 AM   #40
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RR, I'm in Central Texas, too! When one blogger said they lived in CT..I was elated until I realized it stood for Connecticut! Maybe you are close enough that you could maybe look at this...if my buddy get's covered up. Just figured it wouldn't hurt to ask.
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Old 04-12-2015, 11:27 AM   #41
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Quote:
RR, I'm in Central Texas, too! When one blogger said they lived in CT..I was elated until I realized it stood for Connecticut! Maybe you are close enough that you could maybe look at this...if my buddy get's covered up. Just figured it wouldn't hurt to ask.
Live north of Comanche, out in boonies. Is that close enough?
Where do you hang out?

RR
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Old 04-12-2015, 11:58 AM   #42
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Quote:
Originally Posted by Rough Rooster View Post
Live north of Comanche, out in boonies. Is that close enough?
Where do you hang out?

RR
Not too far...Llano Cty! You ever make it to Kingsland?

Last edited by onjtrainee; 04-12-2015 at 12:01 PM.
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Old 04-20-2015, 06:13 PM   #43
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Must've Scared Ole Red Rooster...oh well. I went out with a socket set and took off the round housing trim piece I'm guessing will get me to the flywheel. Then there's a half inch bolt in the middle that turns when I put a socket on it. So guess there's a trick to stablizing that to get it off. Then I plan to rent a flywheel puller and go from there. Hope someone is still on board here and not out playin with their go carts.
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Old 04-20-2015, 06:31 PM   #44
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Now that the shroud is off read #3
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Old 04-20-2015, 06:57 PM   #45
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Quote:
Originally Posted by SeniorSitizen View Post
Now that the shroud is off read #3
The shroud isn't off yet...got one stubborn side screw so I sprayed it with oil, the opposite like it broke off..erg! I still haven't been able to get the central bolt off, so not exactly in a position to test the coil yet.
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