She was runnin great then suddenly stopped working. Compression seems ok judging by my thumb, im still looking for are compression gauge. While spark plug number one was out I noticed the fork lift wanted to start and run although ruff. Put number 1 plug back in and pulled 4 to see if I could duplicate the same situation and she will not run. Its an old hyster forklift from the early 60's, 4 cylinder propane powered and I believe my boss said it was an old panhead jeep motor. Spark is good, I cleaned the filter, and she must be getting fuel to run with plug one removed. Need some ideas, thanks.

 

www.forkliftaftermarket.org maybe? lmao.gif

 

it certainly could use some more power

 

Still need some ideas... very strange... it will run with plug number one removed, thats gotta mean something

 

I don't think you will get much help here. You might try looking for a forklift or jeep forum.