Is 'pee' hole the only outlet?

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UpstNYer

Petty Officer 2nd Class
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Running across the bay late yesterday, I looked back at my '04 90hp Classic and saw only a dribble of water coming out of the 'pee' hole. Motor was running great. Shut it down and finished the trip on the kicker. This morning I removed a tiny mollusk shell about twice the size of a pinhead from the pee hole orifice. It had the orifice completely blocked.<br /><br />Is the pee hole the only outlet for cooling water? Will a blockage at the pee hole lead to an overheated engine?
 

gss036

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Re: Is 'pee' hole the only outlet?

No, it is not the only outlet, the engine exhaust thru the hub and there is a small hole on each side of the leg above the cavatition plate (at least on the larger engines)
 

teamstromer

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Re: Is 'pee' hole the only outlet?

i believe the peen hole is used as an indicator to you to show the water pump is working.
 

teamstromer

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Re: Is 'pee' hole the only outlet?

i believe the pee hole is used as an indicator to you showing the water pump is working.
 

outboard tech

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Re: Is 'pee' hole the only outlet?

The "pee hole" ; which is refered to as an "overboard indicator" is simply an indicator of some cooling water moving through the powerhead. It can be peeing and not cooling sufficiently, and it can be peeing not at all and be cooling just fine. 99% of the cooling water evacuates through the midsection and out the hub. And the pee stream will fluctuate with opening and closing of the thermostat; especially at idle------I believe that information is in the owners manual.
 

UpstNYer

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Re: Is 'pee' hole the only outlet?

Thanks for the information guys. This is the place to go to for OB/boat information. <br /><br />Didn't see it on the first pass thru my manual, Ben; but I'll look again.<br />Bob
 

Scaaty

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Re: Is 'pee' hole the only outlet?

They are always getting plugged up with sand, seaweed, etc., as there so tiny a hole. Just poke something through and you're in business.
 

Russler

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Sep 16, 2004
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Re: Is 'pee' hole the only outlet?

The pee hole is just to let you know that the water pump is in working condition, but don't forget, it is good to change the impeller once a year. If used in salt water alot. salt hardens the impeller.
 

stan_deezy

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Re: Is 'pee' hole the only outlet?

Can I jump onboard this thread?<br /><br />My engine is very unusual in that it is a Volvo Penta 140 (aka an Archimedes Penta/Crescent Monark or whatever name was being given to them at the time-including Electrolux, which is a type of white goods manufacturer in Europe!!)<br /><br />Very interested in the thread because I've always been used to Mariner/Mercury/Johnson?Evinrude engines (as used by HM Queen and Sons Plc). This is the first non-MOD engine I've ever had and I cannot get it to "pee" for love nor money.<br />It has two impellors in the pump; one on top of other seperated by a steel plate. the previous "owner" had removed these impellors to see if he could get the tell-tale flowing again, but I suspect he mey have put the impellors in the wrong way round. But so far no amount of rearranged results in flow from the "pee hole", although covering the pee-hole with my finger results in the underwater exhaust at the cavitation plate bubbling like crazy???<br /><br />Just to add to the confusion: at the top of the pump are two holes; one takes the water to the powerhead, the other has a pipe plugged into it which runs down the lower leg and starts just below the throttle arm; this pipe is blocked by a manufacturers plug which is easily removed and at the moment is blowing gas freely when the engine is running (obviously in a tank and for very short periods due to me thinking no pee-hole water equals no cooling....)<br />Reading thru the posts on here could it be that the thermostat is kaput? (reverse flushing from the pee-hole results in water coming out of tiny hole around the cavitation plate and through the underwater exhaust)<br />Could I try removing the thermostat and seeing if that works?<br />Any help on this would be very gratefully welcome; although the engine is a 1973 model she runs so sweetly apart from this problem that i don't really want to consign her to future service as an anchor...<br /><br />all the best
 

stan_deezy

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Re: Is 'pee' hole the only outlet?

Apologies to all I've just found the answer to myvarious problems by narrowing down my websearches.<br /><br />Now this makes you wonder why more engine designers didn't think of this; and having just rushed into the workshop and checked I find that not only does my engine pump water but it also sucks it up too from the bilges!!<br /><br />The following is acknowledged as being the Copyright of Bosunsmate.co.uk, who is eternally in my gratitude and for whom I may bear babies some day, as he has solved hours of head scratching!!<br /><br />"200cc twin cylinder 2 stroke. Water cooled, this motor was not much loved. Two unusual features could have made this a great motor, if they'd worked properly; a bilge pump fitted as standard, and twist-grip gear control. However, the water pumps were very weak - the bilge pump was a mirror image of the cooling pump, mounted back to back on the drive shaft, and suffered from corrosion and flimsy impellers. The bilge pump was utilised by pushing a hose with a strainer on the other end onto a pipe sticking out of the port side of the leg, just under the powerhead. The gear control was a good idea, but if you wanted to warm the motor up in neutral, you had to reach back and operate a lever sticking out of the cam box, just below the lower pan on the port side. Most people dispensed with the twist grip gear change by removing the slider from the cam box, and using the lever on the starboard side. The motor had chrome liners, and tended to suffer from bad storage. Intake controlled with reed valves."
 

MOTION LINE

Seaman
Joined
Oct 9, 2004
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what was the conclusion on the peehole issue VP140? I have the same engine and the same issue, water and seam coming out in no sane order
 

GA_Boater

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After more than 10 years, none of these members are around anymore. In other words, If you want help - Start a new thread. Thanks.

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