Cub just died and ??

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Cub just died and ??

Postby Jason (IL) » Thu Sep 26, 2013 10:02 pm

I was pulling a float in the Homecoming parade tonight and I got things going and was able to move in 3rd at idle and then come a railroad to cross. I climbed up and got part way up and my Cub just all quit and I couldn't get it to start again till I was able to pull it home the 4 block with the truck. I got it to start on the trip home but it sure ran rough, I tried to start it before bed and it started but ran really rough again.

So I know it is electrical, and I am thinking the old Coil is about shot, it was so hot I couldn't stand to touch it, and I don't think I have given this tractor a good tune up in 10yrs so that may be in store also. This is the same tractor I used to plow all summer at shows in the area. Start with the coil tomorrow morning.


I also figured something out tonight with Cubs, they really don't have a parade speed, they either travel to slow or to fast. I hate to run the motor wide open the entire route in 2nd, or ride the clutch. So I plan on pulling floats with the M or 450 for now on. If there was no float the Cub would be fine. My opinion.
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Re: Cub just died and ??

Postby gusbratz » Thu Sep 26, 2013 10:33 pm

Jason (IL) wrote:So I know it is electrical, and I am thinking the old Coil is about shot, it was so hot I couldn't stand to touch it, and I don't think I have given this tractor a good tune up in 10yrs so that may be in store also. This is the same tractor I used to plow all summer at shows in the area. Start with the coil tomorrow morning.


I also figured something out tonight with Cubs, they really don't have a parade speed, they either travel to slow or to fast. I hate to run the motor wide open the entire route in 2nd, or ride the clutch. So I plan on pulling floats with the M or 450 for now on. If there was no float the Cub would be fine. My opinion.


is it a 6v or 12v coil? if the tractor has a 12v conversion you need a ballest resistor in line with the 6 v coil. I would do a quick cleaning of the carb and fuel filter/sedement bowl before i put any money towards it, you know how bad this gas is these days. I don't think it's bad to run the enine at it's rated rpm. in fact i think it makes the fan push more air through the radiator and keep it cooler.
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Re: Cub just died and ??

Postby Steve Butram » Fri Sep 27, 2013 6:04 am

If your Coil is too hot to touch it is probably breaking down.3rd Gear and Idle will load up the plugs along with a coil breaking down will cause the described problem. you will want to pull the plugs and check them for fouling.
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