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-   -   Smoking John Deere RX75 Rider (https://www.askmehelpdesk.com/showthread.php?t=250551)

  • Aug 19, 2008, 08:30 AM
    phreshout
    Smoking John Deere RX75 Rider
    My '93 John Deere RX 75 jas a 9 hp Kawasaki OHV. Out of the blue, when I last started it-it misfired, ran poorly, slowly gained power while blowing BLACK smoke (unburned gas.) When I full throttled & engaged mower deck (loaded the engine) it ran about 10 seconds-then blew incredible clouds of WHITE smoke (oil burning). Then, it would nearly run normal for about 30 seconds & then repeat the white smoke thing. Any ideas what has happened & how to fix? Thanks, Rob
  • Aug 19, 2008, 08:33 PM
    ballengerb1
    Hey Rob, time for a new engine, new mower or an engine overhaul. I think your rings are shot and you have a stuck valve. I never got a RX75 to last 15 years so you good so far. Its hard to find a rider this small with that small of an engine but you can get a great replacement for under $1k this time of the year. I saw a 17 HP 40" rider at Walmart for $800. I personally would go in that direct before pooring money into a mower built in '93.
  • Aug 23, 2008, 06:59 PM
    phreshout
    OK, thanks. I might see what it would cost to o/h myself, but probably won't have proper tools (valve grinder, ring compresser, etc.) Rob
  • Sep 1, 2008, 08:55 PM
    1983nab
    Needs rebuilt

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