Originally Posted by elegantlawns
is the hundred hours on conventional oil or synthetic? my mower says on the hour meter to change oil already. also I don't know what's currently in the engine conventional or synthetic will it affect the engine if I switch from conventional to fully synthetic or vice versa?
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Man did you ever bring up a crazy topic on lawnsite.. Your're gonna here everything from every 50- 100 hours to 200 and so on. Some guys on here actually do oil analysis on there oil to see how often they should change there oil. I guess i'm one of the ones who just follows what the owners manual says to do. I do know you should'nt run synthetic oil until your engine is broke in, then after that go for it...