Re: honda 40 hp overheats over 1500 rpm
Check your t-stat and replace if bad but don't run without one. Quick check...feel the engines head when it overheats, should be around 100-140 degrees. If its scaulding hot, you have a cooling prob. Sounds like you need an impleller change even if some water is comming out the telltale. Is water able to get into the pump?(clogged intake)<br />Is the impeller functional?(old rubber takes a set therefore diminishing pumping power. Good luck wrenching...
