Quote:
Originally Posted by Cub Cadet 123
It sounds like you have water in your fuel system somewhere. You might try dry gas or some carb and choke spray in the throat of your carb to get things started cranking over for you. I pre-mix my fuel with Marvel Mystery Oil and Startron before filling my fuel container, then add that to my cub. One of my 123's is slow to start in the winter, so I just spray some carb & choke spray (not much) in the carb and it fires right up. Hope that helps in some small way.
Cub Cadet 123
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Quote:
Originally Posted by Yosemite Sam
A lot of the time, in cold weather, the hydro tractors engine can not spin fast enough to start because the hydraulic oil is so cold and thick. Try jump starting it from your car or truck.
If that doesn't do it and it were mine, I would spritz a little starting fluid down the throat of the carb. and then try to start it. If it starts, even for a second, then you know that it's not getting fuel/enough fuel.
If it doesn't start, pull the plug and see if it's wet. If the plug is wet, it's getting too much fuel or it isn't getting fire at the right time.
An engine must have air, fuel, compression and fire to start. There must be the right amount of each and these things must occur in the right order and happen at the right time. In a nutshell, that's ICE 101.
Use a process of elimination to identify the symptom/s that is has, eliminate the symptom/s and it should start.
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Kinda what I'm looking at trying first, drain the tank and carb bowl and start with fresh fuel. As for MMO, I always mix a couple ounces per gallon with my gas, but have never used Startron. I did try spraying some carb cleaner in to get it to crank and when I do that, it fires but there's never enough to get it to full on run.
Quote:
Originally Posted by J-Mech
If I'm not mistaken, this is the tractor that I walked you through installing new points on right? So a tune up has been done? If that is the case, there are very few things that can cause a spit back out the carb. Timing, which can be ruled out because it has been done. Running lean could do it.... but in my experience, not when it is this cold. Either your coil is weak, or you have a bad valve. Check spark, but I'm leaning towards the bad valve.
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Must be a blue moon soon because you are mistaken
You helped set the timing on my 1450, not this 129. This tractor came to me in excellent running order and all I've ever done to it, outside of oil change, tranny change, etc, is clean the carb when I first got it, even though it didn't look to have needed it. And I do have spark, I took the plug out and grounded it to the engine and cranked; I've got spark. I was wondering about the coil on it as well, is there a way to test that?