9.9hp Merc Failing to Pump Out Water

[orion15]

hey guys
my 9.9hp merc (1996) is not shooting out water causing the engine to over heat if i would leave it on, i changed the impeller in it. but that wasnt it. the pipes are all clean and it starts on the first pull. theres nothing i can think of that might be wrong with it (the intake is fine also) .i'm thinking about taking it in to the shop this week but i dont know of any in the Vancouver area.
if you know what might be wrong with it let me know or if you know any good cheap mechanic.

 

[Hoochiebob]

If your telltale isnt spitting out water and your intake is clean,then your problem is in your water lines inside your leg.If the telltale is spitting then i Would wager the thermostat is stuck shut.
Stats are an easy and cheap replacement and I would try there first

 

[danthewire]

I"M NOT A MECHANIC, but I had the exact same problem with a 9.9 evinrude. I also thought the pipes were clear,I even blew air through the line,a mechanic friend of mine shoved a peice of wire up the discharge tube up into the head area, rolled it around a couple of times and pulled it out,repeated and started the motor,no problem after that.Check your thermostat sometimes they stick closed.DAN

 

[Kildonan]

quote:Originally posted by danthewire

a mechanic friend of mine shoved a peice of wire up the discharge tube up into the head area, rolled it around a couple of times and pulled it out,repeated and started the motor,no problem after that.Check your thermostat sometimes they stick closed.DAN

I had an old 7.5 merc I used to have to constantly unblock the discharge hole. I kept a piece of bailing wire on hand in the boat as I would have to clean it out often. I constantly had to keep an eye on it.

 

[orion91]

Wow thanks so much, i just checked the thermostat and it was stuck shut you guys just saved me so much money. another guy said it was probably the impeller so thats why i did that first. i'll go get a new one tomorrow ,hopefully. and i also get my brand new windshield tomorrow, and i get to work 8 hours. Pretty big day

 

[esora]

Orion

Can't go wrong changing out the impellor anyway.

Esora