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8N NO SPARK

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JOHN

12-19-2000 20:10:42

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TRACTOR WAS RUNNING FINE, THEN SAT FOR TWO MONTHS.
NOW WON'T START, NO SPARK. HAS NEW PLUGS, POINTS CONDENSER. DON'T WANT TO CHANGE COIL AND VOLTAGE REGULATOR UNLESS NECESSARY.

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Nogrimace

12-20-2000 04:18:08

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Re: 8N NO SPARK in reply to JOHN, 12-19-2000 20:10:42

I had this problem a few months ago. Had voltage to the coil, the insulation that stops the coil voltage from grounding to the points was gone. I used a ohm meter and found that it was grounded. Took it apart and slid a small piece of rubber under the connection to the points, it fixed the problem. I would check power to the coil and then check for a ground problem from the spring to the points, if it is grounded you probably have found your problem. Good luck and happy holidays.

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fast ed ohio

12-19-2000 22:29:01

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Re: 8N NO SPARK in reply to JOHN, 12-19-2000 20:10:42

dell is right dont mess with volt reg. new coils are 26 bucks or so,for front mount. make sure wire on top of coil is clean and bright, as well as any other. if this does not work a new coil would be my next option, however a shot or two of starting fluid in the air intake & it hits a lick or two you have a fuel problem.

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Easy

12-19-2000 20:46:48

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Re: 8N NO SPARK in reply to JOHN, 12-19-2000 20:10:42

The regulator doesn't have anything to do with the spark so you can start by seeing if the wire to the coil is charged when you turn the key on. If it's ok, then trace the wire or contacts to the points and condenser, looking for shorts, frayed wires or poor conections. You didn't say if it's front or side mount distributer. The side mount is easier to work on and the coil is cheaper. If this checks out make sure the inside of the distributer and cap are clean and dry. The plugs and wires are in good shape, so I'd replace the coil. It would be nice if you could borrow a coil before buying one to make sure that's your problem. Good Luck, Easy

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fast ed ohio

12-19-2000 21:10:36

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Re: Re: 8N NO SPARK in reply to Easy, 12-19-2000 20:46:48

go to nseries.com under maintenence front mount dist. scroll down you will see info and picts. check out 5 a picture.

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Dell (WA)

12-19-2000 20:36:50

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Re: 8N NO SPARK in reply to JOHN, 12-19-2000 20:10:42

John..... .I flunked mind reading, just ask my ex-wife. Frontmount or Sidemount distributor? 6 volts or 12 volt conversion? These all make a big difference in what and where to check for lost sparkies.

If ya' gotta change the coil, then ya' gotta have a reason. The voltmeter will tell you the reason.

A voltmeter is a "BIG HELP" in diagnosing electrical problems like this. $20 or less at the local mega-hardware supermarket, get one. Trace your ignition electrics with the voltmeter until the volts disapear, then fix the offending part.

Its amaizing, that tractors can set for months and suddenly not work. Generally, some corroded connection somewhere. Tighten 'em all, make certain all the wires are good and tight (try to pull the wire out) in the wire terminal sleeves. Skunch 'em up tight with pliers.

Oh by the way, one of the original founding member of this great N-Board used to claim that 80% of all carburator problems were found in the ignition system. Something to think about..... ....Dell

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