Used the tractor to mow some high grass yesterday for a few hours- Today upon start up the engine is running VERY HOT!!- I shut it off- checked everywhere for clogging nothing found- What would caused the engine 25 hp?? Kohler to run so hot and what should I look for thanks so much!! Actually the unit is the Massy 2925 which is the same as the Legacy -it is about 7=8 years okd and always maintained-- thanks again