OVERHEATING AT WOT

[gaz]

"My 1996 Mercury 115 stays coo

"My 1996 Mercury 115 stays cool at idle and up to 3,500rpm to 4000rpm. At WOT it overheats quickly. Any ideas ?"

 

[justintime]

"have u changed water pump, t

"have u changed water pump, t stat and POPPET VALVE, and POPPET VALVE spring?

if so u might be running lean"