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Sat for 2 years, I've got spark, No start.

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Paul in Forsyth

11-30-2001 13:25:31




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Here's the rundown.
Tune up, new plugs and wires, new coil, points, oil, oil filter, hydraulic fluid.
I've got spark at the spark plugs. I've been trying to jump start her since the 6V battery is only good for a few attempts.
I've been jumping directly to the starter. The tractor turns over easily but only slightly sputters if at all. No puffs of black smoke.
I tried a shot of starter fluid then a shot of gas in each cylinder - nothing.

What is keeping the fire out?
Let me know what you think.
Paul

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Salmoneye

12-01-2001 03:49:35




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 Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth GA 9N starting problems, 11-30-2001 13:25:31  
Pull the valve inspection plates and see if they are all going up and down.

Dollars to doughnuts your exhaust valves are stuck up (open)...



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Dell (WA)

11-30-2001 20:58:30




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 Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth GA 9N starting problems, 11-30-2001 13:25:31  
Paul..... ..even tho you've replace the sparkies, if'n you've even "flooded" the engine, replace 'em again. Somethin' about modern gas that mucks up the sparkies realbad when flooded. And if'n yer crankin' as much as you say, then you've been flooded.

And if'n ya gave a shot a gas innna the sparkie hole as I think that is what I understand, then guarentee you better put in new sparkies. A whiff of ether quick start innna carb throat is all it takes if sparkies are good.

Recheck your frontmount distributor for points slipage and timing change. Believe it or not, the points screw threads wears out and can slip. I'd be for replacing the p/n 355047-S7 screw. (#8-32 X 3/16 w/lockwasher).

Yes, you can use a 12 volt booster directly on the starter stud, polarity doesn't matter, starter only turns 1-way. Do not 12 volt boost directly onto your 6 volt battery. Tranny in neutral, ignition switch on.

And make certain your sparkie firing order is 1,2,4,3 CCW. A good N-Engine will fire on 2 cylinders which is what you get if'n you miss-wire 1,2,4,3 CW (which is 1,3,4,2 CCW...bad) Its easy to miss-wire firing order and just as eazy to check and correct. Good luck..... ..Dell

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Dan

12-01-2001 14:16:42




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 Re: Re: Sat for 2 years, I've got spark, No start. in reply to Dell (WA), 11-30-2001 20:58:30  
If it worked when you parked it ,then:

the timing gear didn't jump,
the coil didn't change ,
the switches didn't fall apart, the spark plug wires didn't get mixed up, EETC., etc,etc .

THE ONLY THING THAT CHANGED WAS THAT THE GAS MORE THAN LIKELY GOT GUMMED UP IN THE CARB --- USE SOME "GUM REMOVER" IN THE GAS TANK --LEAVE IT OVER NIGHT .TRY IT IN THE MORNING !!!

LOCALIZE,ISOLATE,LOCATE .

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buck

11-30-2001 20:08:02




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 Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth GA 9N starting problems, 11-30-2001 13:25:31  

are the plug wires on correct?



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davem

11-30-2001 18:17:57




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 Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth GA 9N starting problems, 11-30-2001 13:25:31  
I bought a 8N that hadn't ran for a couple years tuned it up and it wouldn't start. But we pulled it, I put it in 4th,we pulled it a short distance and it kinda coughded and sputtered and came to life. Whatch the oil pressure it was slow comming up. It starts on it own now very easy



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EDDIE 8N

11-30-2001 17:47:55




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 Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth GA 9N starting problems, 11-30-2001 13:25:31  
Paul,
two things come to mind. First, if you have spark at the plugs and get fuel to the cylinder and can't make fire, my guess is you don't have them in the cylinder at the same time i.e... timing problem. The second thing is ..by hooking jumpers directly to the starter, be sure the engine is turning over in the correct direction. If cables are reversed and the engine is running backwards,it won't fire even on starting fluid since your spark is trying to ignite air drawn in through the exhast pipe!!

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ZANE

11-30-2001 18:06:49




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 Re: Re: Sat for 2 years, I've got spark, No start. in reply to EDDIE 8N, 11-30-2001 17:47:55  
Having the battery cables crossed will not cause the engine to crank backwards. The starter is not a reversable motor and will only turn one way.



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EDDIE 8N

11-30-2001 19:23:47




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 Re: Re: Re: Sat for 2 years, I've got spark, No start. in reply to ZANE, 11-30-2001 18:06:49  
ZANE, Thanks for straitening me out on that point.
After thinking about it , I guess the bendix wouldn't kick in to turn the engine over even if you could run the starter backwards.



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Terry in Mo.

11-30-2001 17:20:52




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 Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth GA 9N starting problems, 11-30-2001 13:25:31  
Paul,if cleaning the carb doesn`t get it going i would recommend doing a compression test to determind if you might have some stuck valves. You need to have at least 90 psi of compression per cylinder.



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bg

11-30-2001 14:51:23




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 Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth GA 9N starting problems, 11-30-2001 13:25:31  
If you haven't disassembled and thoroughly cleaned the carb, my guess is that you have varnish obstructing some critical passageway. I cleaned mine one time by submerging it in a can of that nasty carb cleaner overniight. I figured that would get it really clean. Back together and nada. Took it apart again and used a guitar string and some gumout and lots of compressed air. Little plugs of varnish soon came squiggling out like worms. No problem after that.

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Danny in CO

11-30-2001 14:08:26




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 Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth GA 9N starting problems, 11-30-2001 13:25:31  
Here is an old post from Zane about trying to get an N to start. Hope it helps.

danny



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Doug 8N 320468 Oh

11-30-2001 14:05:37




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 Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth GA 9N starting problems, 11-30-2001 13:25:31  
How do you jump from the starter without messing something up. My 8N is 6 volt, but I would like to use 12 volts in the winter.



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ZANE

11-30-2001 18:11:24




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 Re: Re: Sat for 2 years, I've got spark, No start. in reply to Doug 8N 320468 Oh, 11-30-2001 14:05:37  
When jump starting an N tractor with 12 volts it not necessary to hook the 12 volts to the 6 volts battery at all. As a matter of fact I strongly reccomend against it.
Instead hook the 12 volts directly to the frame of the tractor for the ground and with the transmission in neutral and out of the way of the wheels of the tractor so you don't get run over touch the other cable from the 12 volt source to the post on the starter.
By doing it this way you don't even have to worry about the polarity of the batterys or which cable you have to ground or positive to the frame or the starter as the 6 volt systme is not intered into at all with the 12 volts. Just turn on the switch and touch the hot cable to the starter post and it will go.

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Duey (IA)

11-30-2001 17:23:05




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 Re: Re: Sat for 2 years, I've got spark, No start. in reply to Doug 8N 320468 Oh, 11-30-2001 14:05:37  
Doug,
You can do that with a 6-12 volt battery.
Duey



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Jim.UT

11-30-2001 17:11:17




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 Re: Re: Sat for 2 years, I've got spark, No start. in reply to Doug 8N 320468 Oh, 11-30-2001 14:05:37  
Here's an old post of mine from the archives giving step by step instructions on jumping a 6V tractor with a 12V battery.



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Paul in Forsyth - Sparks A flying

11-30-2001 14:21:52




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 Re: Re: Sat for 2 years, I've got spark, No start. in reply to Doug 8N 320468 Oh, 11-30-2001 14:05:37  
Supposedly the cutout relay is the problem with jump starting.
Put the positive cable on the frame. Put the negative on the Starter. This will turn on the starter without the start button.
Sparks will fly no matter which way you hook up the cables.



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Terry in Mo. SAFETY REMINDER

11-30-2001 17:16:45




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 Re: Re: Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth - Sparks A flying, 11-30-2001 14:21:52  
Don`t forget when jumping to the starter to double check and make sure the tractor is in neutral and try not to stand in the wheels path.



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bj/8N/mt

11-30-2001 13:46:48




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 Re: Sat for 2 years, I've got spark, No start. in reply to Paul in Forsyth GA 9N starting problems, 11-30-2001 13:25:31  
Have you got voltage on top of the coil? If so how much? Does it change when you crank it? Share these results and we will be half way home.

YOur mileage may vary



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Paul in forsyth, GA

11-30-2001 14:23:32




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 Re: Re: Sat for 2 years, I've got spark, No start. in reply to bj/8N/mt, 11-30-2001 13:46:48  
I don't have a volt meter. Spark from the plug to body seemed strong.



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Peter Dawes

12-01-2001 09:30:30




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 Re: Re: Re: Sat for 2 years, I've got spark, No start. in reply to Paul in forsyth, GA, 11-30-2001 14:23:32  
if you've got spark to the plugs then it's either a gas problem or compression. Check the screen at the carb and then put a couple of squirts of oil in each cyclinder and try to start it. your not flooding it are you? they flood easy



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