7.5 MERC RUNNING PROBLEM

FFML12

Recruit
Joined
Jul 31, 2002
Messages
1
I HAVE A 7.5HP MID 70'S MERC AND IM HAVING A RUNNING PROBLEM!THE MOTOR RUNS GREAT AT IDLE BUT WHEN I GIVE IT GAS IT BOGGS DOWN IF I BACK OFF THE THROTTLE IT RUNS GOOD AGAIN! ALSO HAVEING PROBLEM WITH NO WATER COMING OUT OF WATER PUMP DISCHARGE TUBE COULD THIS BE RELATED?I PUT I HAD WATER PUMP IMPELLER REPLACED NOT LONG AGO. :confused:
 

Solittle

Fleet Admiral
Joined
Apr 28, 2002
Messages
7,518
Re: 7.5 MERC RUNNING PROBLEM

Run it with the cover off for a while. Then put your fingers on the head or rear of the engine. It should be hot but not burn if you leave you finger there for three seconds or so. If to hot you have a cooling problem - possible thermostat?
 
Top