I am needing a little help with my 89 420. I have searched through 20 pages on here and have found similar problems but no solutions. I bought the 420 this winter with around 800 hours on it. It starts easy and runs great. After about 30 minutes of mowing if I go from forward to reverse to...

My 140 died on me after 30 minutes of mowing. I've read threads on here before about the coil being bad, so I threw a new one on and still no spark. It will crank and has plenty of gas, but no spark. This happened last week and I trouble shot for about two hours checking voltage to the...