Dont know the year but it looks like 90's. Very clean motor. Started first time this season and no pissing. Although after several minutes, the head is still only warm to touch. I have heard that Mercs dont **** right away and needs the tstat to open. ALso, unlike my JOhnson (also having...
1984 Johnson 9.9 J10RCRA was pissing very hot water. Just replaced entire water pump system 5 hours of use ago. Several of you suggested a possible tstat issue, so I removed thermostat (royal pain in the ***** on this year) and replaced the water cover and started it up w/o tstat and still...
Just spent some money on this motor and put in new water pump. It was running fine for a few weeks. Took it out yesterday and within 5 minutes I could smell hot metal and the water pissing out was hot as hell. Thank God it didnt seize up. So what happened? How can it still be pissing and...
Hey All, New to the board and thanks in advance for any help. I have a 15 HP Merc (not sure of year, looks to be in the 1990's, but can confirm if necessary) on a pontoon boat with electric start. Had starting issues last time it was in the water and the owner bought a new solenoid that I...
