1971 Johnson 50hp cooling problems

[hester5427]

I do not appear to have water coming out of exhaust ports. I've recently replaced water pump. Should I be getting water out of exhaust porst continuously? No pee hole on this outboard and I'm not sure if I'm getting water up to the powerhead.

Please help.
Thanks.

 

[tashasdaddy]

Re: 1971 Johnson 50hp cooling problems

man, i'm having the same problem with mine, i just pull the tstat, and it looks like crap. will get new tomorrow with sender and gaskets. and let you know what if find. i thinking of dropping the lower an flush the water tube again. i have a infrared therometer, and mine went over 200 with the new impeller.

 

[hester5427]

Re: 1971 Johnson 50hp cooling problems

where is the thermostat?

 

[tashasdaddy]

Re: 1971 Johnson 50hp cooling problems

very bottom on the water jacket on the cylinder head, you have to remove the coil, power pack mounting bracket to get to the bolts, on the right hand side. the tstat goes in bottom hole, 2nd up is pressure relief valve.

 

[tashasdaddy]

Re: 1971 Johnson 50hp cooling problems

http://forums.iboats.com/showthread.php?t=202474

 

[73rude65]

Re: 1971 Johnson 50hp cooling problems

just replaced my water pump and seen my cooling tube was bent..used garden hose to push water up it and saw that midway up pipe there was a small hole, definitly machined, not rusted out..does anybody have that hole on theres? or maybe guy before me put it there??? 73 65hp evinrude...

 

[tomoco]

Re: 1971 Johnson 50hp cooling problems

Are you still there?
Mine has a similar hole, just past the bend.
72 65 Johnson.