Pony Motor

JD Wayne · Jun 25, 2015

Just a quick question. Why exactly does it tell you to shut the fuel off and let the engine die out when using a pony motor? Why not just turn the ignition off? I have not had the tractor long and although I adhere to this (as per the operators manual) was just wondering the reason behind it.

Mike M · Jun 25, 2015

Well I think it is so the gas gets ran out of the carb. so as you bounce around all day it does not flood the pony or dilute the crankcase oil.

buckeye al · Jun 25, 2015

In addition to what Mike said: By emptying the carb of fuel, the float drops away releasing all pressure and bouncing of the needle valve against its seat. The original floats were cork & would not stand up well to bouncing against the bottom of the fuel bowl. For that reason if properly adjusted the float only drops so far and just kind of "hangs out" in free space in the empty fuel bowl not banging or bouncing into anything either up or down.

Also remember the cranking engine shares the diesel's water jacket so it is hot all day too! If that fuel doesn't splash out & dilute the oil like Mike says, it evaporates letting gum and varnish clog the carb.

I even go so far as to choke mine as he's dying for two reasons. One it makes sure it's completely empty and second it helps me "stick with" the little engine paying attention to it so I don't forget to turn off the ingition! That can empty yer pockets!

pcsaw · Jun 26, 2015

Also some people will argue this but as the big engine is shut down I always pull the compression lever back

Mike M · Jun 26, 2015

No argument from me ! I do it too. They shut off and clang bang around violently if you don't. That's got to be hard on something in there.

JD Wayne · Jun 26, 2015

Thanks Al, and all that responded. I know what your saying about emptying your pockets, I've burnt 2 coils already forgetting to turn the ignition off. My light doesn't work and with other distractions that equals forgetfulness. I am currently about ready to order the new coils. One more question though. The last coils I bought were from this website. When I received them, I noticed in the spark plug receptacles on the coils, they are not the same type of connector. The ones on the new coils have threaded studs were my old ones have the female plug type receptacle. Since my spark plug wires are male ends this does not lend itself well to connecting the spark plug wires to the coil. Do you have any advice on what I should do or where to get coils that will have the correct connector in the coil?

James Howell · Jun 26, 2015

Agree with you on releasing compression.

Sure makes an "interesting" sound along with a "smooth" stop.

buickanddeere · Jun 26, 2015

We have shut the starting engine ignition down 30 seconds after closing the fuel valve since 1954. Works ok so far.

Pony Motor

JD Wayne

Member

Mike M

Well-known Member

buckeye al

Member

pcsaw

Well-known Member

Mike M

Well-known Member

JD Wayne

Member

James Howell

Well-known Member

buickanddeere

Well-known Member

Similar threads