Hi guys have a toro 74245 model Kawasaki I just got it’s 10 yrs so old. Got it because owner could not start after putting choke cable on. Got home fuel battery good but turns slow tried grounding off neg side battery no help need ideas where to start. machine filthy cleaned it oil leaks have to find and fix safety’s disconnected but was running just want to start first before throwing money at itany ideas appreciated gonna check valve clearance this weekend maybe that’s it