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Reload this Page 149 didn't want to start today
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  #11  
Old 09-29-2013, 03:22 PM
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donnelly.me donnelly.me is offline
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Check the spark as far as what? I could see the plug sparking when I cranked the engine. Sorry for my ignorance. Can I put in some additive Incase of bad fuel? My other tractor seems to be running fine out of the same gas can. Thanks
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  #12  
Old 09-29-2013, 03:29 PM
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Cub Cadet 123 Cub Cadet 123 is offline
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Well I am stumped. The 149 didn't want to start again today. I took the fuel line off and blew it out. I am getting good fuel to the carb. It still wouldn't start when I reconnected the line. Next I took the carb off and blew it all out. Still no start. Finally I gave up and sprayed a little more carb cleaner and then the engine fired right up and I ran the tractor for about 30 mins no problem. Could there be any more problem with the valves again? I know I said a friend lapped them bu could it need it again? Maybe it wasn't done properly? Any other ideas? Thanks, Mark
Do you have a fuel filter on it? My 129 was having the same problem as you have described and I wore the battery down trying to start it. It ran for a moment until all of the fuel burnt out of the carb. The next day, I filled the tank up to the halfway mark after the petcock was turned on and allowed the fuel to soak into the filter (I think it dried out), one shot of carb cleaner and it started right up and ran fine, too. Make sure you have plenty of fuel in the tank if you have a filter on your fuel line. I use Marvel Mystery Oil and Startron (most of the time) to my fuel.

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  #13  
Old 09-29-2013, 10:51 PM
J-Mech J-Mech is offline
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The spark should be a nice pretty blue. It should be coming from the center of the electrode and hit on the tip of the ground arm. If it isn't coming from the electrode, get a new plug. Spark plugs are cheap, and easy to try. Check to make sure the plug wire isn't corroded at either end. When was this tractors last full tune up?
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  #14  
Old 10-01-2013, 03:28 PM
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First, thanks for all the suggestions. I replaced the plug today with a known good one. No help. Next while I was cranking the engine I placed my hand over the carb and there seemed to be enough suction. While cranking, I shined a flashlight into the carb but could not see any fuel spraying or even any moisture. I sprayed a shot of carb cleaner in and it fired right up and I ran it around the yard for about 20 minutes at varying throttle positions. Ran fine. Started back up twice with no issue. I haven't changed the fuel filter in about a year. I am starting to wonder if it could be partially plugged? It isn't a paper element but one of those little triangle shaped that looks like a gold stone in it. I also added sea foam and carb cleaner to the fuel tank before I tried to start it. I almost always use star-tron. Would a cranking engine not be able to pull fuel through a partially plugged filter like a running one would? Off to the store for a filter. As always, any ideas are appreciated. Mark
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  #15  
Old 10-02-2013, 03:40 AM
Yosemite Sam Yosemite Sam is offline
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If it were mine, I would take the high speed needle out (screw it in all the way while counting the revolutions so you know where to "set" it when you put it back).

Clean out all of the little holes in the sides of the needle (top and bottom) then make sure the passageway between the holes is also clear.
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  #16  
Old 10-02-2013, 04:14 AM
Lincolnmania Lincolnmania is offline
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change the filter, make sure there is no junk in the tank, clean the carb passages and hope for the best
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  #17  
Old 10-04-2013, 05:30 PM
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Ok guys, Tomorrow I am going to take the high idle screw out and clean the passages as suggested. Hopefully that will work. The fuel filter did not help. Anyway, I am not familiar with carbs but I am mechanically inclined. Can someone please tell me why if the passages in the needle were blocked or partially blocked how does that affect starting but it runs fine once I get it started? Thanks, Mark
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  #18  
Old 10-06-2013, 10:45 AM
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Tore the carb apart yesterday. I took the high and low speed needle out. I blew everything out with air like last time. I also sprayed it out with a can of brake cleaner. Finally!! I saw a bunch of debris on my worktop! I put it all together and it started under its own fuel! Had to tweak the needle settings but its running fine now. Let it sit for 2 hours to cool off and it started again no problem. This morning I started it again after it sat all night. Fired right up! Thanks for all the help. I guess sometimes just compressed air won't do the job. Mark
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  #19  
Old 10-06-2013, 05:46 PM
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Tore the carb apart yesterday. I took the high and low speed needle out. I blew everything out with air like last time. I also sprayed it out with a can of brake cleaner. Finally!! I saw a bunch of debris on my worktop! I put it all together and it started under its own fuel! Had to tweak the needle settings but its running fine now. Let it sit for 2 hours to cool off and it started again no problem. This morning I started it again after it sat all night. Fired right up! Thanks for all the help. I guess sometimes just compressed air won't do the job. Mark
Great news!
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