F-20 magneto

[Farmboy4221]

I have a 38 F-20 I restored it 11 years ago and had the mag professionally rebuilt its been sitting for a couple years now I pulled a spark plug out and cranked it up and no spark I have the lever in the down position I actually tried both directions but pretty sure it needs to be down. I also have a f-12 with same F4 mag and I have spark on that one so I switched the caps from the 12 to the 20 and still no spark? Did I loose magnetism while sitting? Would pulling it increase the chance of getting spark or using a flipped belt to crank it up either one is simple enough for me to do or should I just plan on sending it out again?

 

[Janicholson]

Probably just a bit of corrosion on the points. when taking it apart, keep the rotor in time. Jim

 

[teddy52food]

On an F4 the points are right under the 1st cover.. Take it off & clean the points with a piece of brown paper bag. Should be no need to adjust them.( The cover is the one with the advance-stop lever on it.)

 

[Farmboy4221]

This morning I cleaned the points put it back together I have a plug hooked up to a wire so I can watch for spark the first revolution I have great spark the next 2 revolutions it gets weaker then fades out to nothing I'm glad to see spark but now why is it fading? I roughed points up again and same thing after 3 rotations what's next

 

[Nebraska Cowman]

they are simple enough but it sounds like you better send it out.

 

[teddy52food]

If I had it here , I would be testing the condenser. Also I would put a charge to the magnet, but if it has enough for a good spark once, it should continue. Try replacing the condenser 1st.

 

[cole in mo.]

The next time you try to start it with the crank, do yourself a favor, and move the spark lever down just a little. All the way down is full advance. A back fire will remove all your teeth, maybe half your head to, and break both arms.

 

[Farmboy4221]

Owned the tractor 11 years and have heard many horror stories about that mine has never had an issue kicking back