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  #11  
Old 02-26-2010, 06:43 PM
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cub149 cub149 is offline
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Quote:
Originally Posted by murphycc View Post
If it's not a carb setting or carb problem (fuel starvation at high RPM)-

Then look at the carb to intake gasket. Also look at the intake to head gasket, make sure bolts are tight.

My gut says head gaskets....take a look.

Plugs may foul also, replace with Autolites.

Scott

Well, I have some time tonight and tomorrow to work on this thing. I bought a set or plug wires at the auto parts store for $8. I do have a question about these wires, they are carbon (or something similar) core is that ok? The wires that where on it had copper wire core.
How can you tell if there is a leak on the carb intake or head gaskets? I will check for tighness in the bolts but not sure how to check otherwise.
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Old 02-26-2010, 10:59 PM
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OK, I tightened the head bolts. I know the manual says 14lbs but I probably went closer to 25lbs. Some where tight and wouldn't budge and some where loose so I just tightened them all to about the same instead of loosening any. The carb intake bolts where a bit loose also. So, with the plug wires replaced and bolts tightened it does run better, actually a lot better but it does still have a rapid backfire or sputtering when you slow down on a hill. It doesn't seem to do it on level ground so could it be the back-pressure/compression that the hill causes? I don't know, I went through a couple of beers while doing all this and now it's late so I'm just rambling. Got any tips?
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  #13  
Old 02-26-2010, 11:09 PM
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Do you have a clear/see through fuel filter? is it getting enough fuel? Is it starving at higher RPMs?

I had a Kohler that for a while would run well going down hill but would starve out going up hill. The fuel line went to the front of the carb and when going up hill the pump wasn't strong enough to push the fuel to the carb. New fuel pump and problem solved.

Also check the vacume line to the pump.

Scott
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  #14  
Old 02-27-2010, 01:54 AM
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It definitely sounds like you have a fuel/carb problem. Does that carb have preliminary settings for the mixture? Maybe you have some crap in the carb.
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Old 02-27-2010, 12:52 PM
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Eureka! I finally adjusted the carb as ya'll have said to do and it runs smooth, no nothing. I wanted to do all of the other things first to see if they helped and some did. The wires where a big help, the coil end of the wire was barely hanging on on the old wires so it wasn't getting the fire it needed. So that helped a lot. Probably tightening down the heads and intake helped but the final adjustment to the carb did the most by far. I would like to check the rpm's but I don't have a tach to check it with. How are the tiny tachs on this engine, would it get close enough to get in range?

Thanks for all the help fellas, now to cleaning and seeing what else it needs in other areas.
Just a side note, I'm not sure about the size of this tractor. I'm short, only 5'7", so with the seat moved as far forward as it will go I'm still a bit uncomfortable on it. Of course time on it will improve the feel for it but are there any other shorties out there using these tractors? I thought of the movie O Brother Where Art Though when the kid helps the men escape from the barn, he has wood blocks straped to his feet :biggrin2.gif: A tilt steering column would be nice, will the columns off the newer supers fit this?
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  #16  
Old 02-27-2010, 04:27 PM
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Mountain Heritage Mountain Heritage is offline
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So you say you adjusted the carb....what screw do you think fixed the problem? Or was it a combination of all them, as well as changing the wires and torqueing the bolts? Just curious...
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  #17  
Old 02-27-2010, 05:49 PM
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So you say you adjusted the carb....what screw do you think fixed the problem? Or was it a combination of all them, as well as changing the wires and torqueing the bolts? Just curious...
I adjusted the main fuel needle, I didn't do it like the manual says though. I just turned it out until it ran smooth. I never touched the idle needle. But it was the combination of everything I did that made it run so much better. The plug wires where probably the best fix, like I said the coil ends where barely attached. I don't know about torquing the head bolts but it couldn't have hurt.
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  #18  
Old 02-27-2010, 07:05 PM
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Good deal.

Scott
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