Wheelie horse 90 #1 Posted August 29, 2015 I have a 416-8 with the Onan and Was wondering what some of you guys do for matinance to keep them running strong thanks Share this post Link to post Share on other sites
muz123 1,182 #2 Posted August 29, 2015 Change oil, air filter, gas filter, transmission filter and oil, clean carb every 200 hours, ect.Thanks, Dave Share this post Link to post Share on other sites
mikekot3 92 #3 Posted August 30, 2015 Decarboning the cylinders with the heads off and adjusting the valves is important every 500 hours I am told.Remove the sheetmetal on the engine and clean the cooling fins very well also. Share this post Link to post Share on other sites
