I posted this in the Kohler engines section but didn't get much discussion so I'm trying here. Kohler CV15S engine on my old Sears riding mower. Was running fine, then suddenly I noticed it was running really fast and power was missing. Shut it off and it backfired before re-starting, still was running full out. I checked the timing because of the backfire but the shear key is fine. Searching online it seems that the interior part for the governor is broken. After it cooled, I tried to start again to try to confirm the problem, but now it just backfires and I can't get it to run. Would this be typical of a broken governor or is there something else to check first before I open it up? Thanks.
