'99 30hp temp. question

jbjennings

Captain
Joined
Jul 18, 2007
Messages
3,903
Guys, I hit a submerged log and broke my tiller bracket and shallow drive stuff. I fixed that, but had what I thought was a weak water flow. I replaced the water pump impeller which had heated up and taken a bad set, replaced the head gasket, exhaust cover gaskets, thermostat, various o-rings and such. I now have it back together and it's pumping water out the tell-tale great--much harder.

Question: The powerhead feels a little hotter than I expected. I can still touch it for 3 seconds but it gets darned uncomfortable after 4 or 5 seconds. THe exhaust cover is not warm at all. Water coming out the tattle-tale is nice and cool. Is this just the correct temp. because the thermostat is letting it get warm? As I said, it's pumping water great. I don't want to ruin this motor--it's the only one I've ever purchased new and it runs like new.
None of the powerhead or crankcase feels exceptionally hot, BTW. I figure the thermo is for 140 degrees. I wouldn't think that would feel very hot....am I wrong?
Thanks,
JBJ

PS-- those little keepers on the shift rod are quite tricky if you don't have a manual!!!!!!!:redface:​
 

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: '99 30hp temp. question

3 seconds, 3 count is about right, i keep one of those $10 infrared themometers in my tool bag. opens at 140, could get to 160, before completely open then cool back down.
 

jbjennings

Captain
Joined
Jul 18, 2007
Messages
3,903
Re: '99 30hp temp. question

Gees TD,
Is not harbor freight the greatest? I haven't seen those but didn't really know what to look for! I know those HF tools are crappy but it's fun to look at them either way. THey are also good to an extent for someone like me that uses stuff only occasionally.:)
THanks,
JBJ​
 

Mas

Lieutenant Commander
Joined
Oct 3, 2006
Messages
1,656
Re: '99 30hp temp. question

Be careful with HF tools with more than one moving part...but to admit, I've got plenty of their crap in my toolbox! They are too close to me and their prices are too cheep for me to drive twice as far & spend twice as much for something that I'll only use a couple of times.

MAS
 

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: '99 30hp temp. question

i have had my little thermo, for 3 years, comes in so handy. works great, perfect for checking the block temp. price is right also.
 
Top