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frog0911
Master Marine Consultant

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USA
1349 Posts

Response Posted - 07/28/2010 : 10:51:14

Pete, I had the same problem with mine. The problem was cause by the rubber seal between the cowling and the engine body. It would not stay in place causing the latch not tighten correctly. If I tried to raise the motor the cowling latch would come loose and off it came. I found some black stuff at Waltmart, in the marine section, that was supposed to stick rubber to metal. I bought it took the rubber off, clean it with acetone, applied the gook and the problem went away. Amazing what trouble a little rubber gasket will cause.

Edited by - on

bigelowp
Master Marine Consultant

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USA
1787 Posts

Response Posted - 07/28/2010 : 11:24:50

Thanks for the suggestion! I'll be heading to Walmart before my next trip out.!

Edited by - on

piseas
Former Treasurer

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USA
2017 Posts

Response Posted - 07/29/2010 : 15:11:38

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by islander
<hr height="1" noshade id="quote"></blockquote id="quote">
.. after putting the boat away and starting to walk down the dock for the car is to turn around and say, "Thank You Boat". Sounds stupid I know but I feel if we don't do it something bad will happen on the next outing.

Scott, you and I both know -and I bet a lot of others if the admit it-that is NOT stupid. As I leave I put my hand on the bow and say "Thanks PiSeas", (using her name is more personal and she knows it!) And if she got me out of a mess I add, "Job well done!"
Aren't most sailors superstitious? ie christening our boats, renaming your boat, raising and taking down the sails the same way, etc. I also feel if I say something bad or negative about my day on the water like it was too cold or too hot or not enough wind, etc, then next time out will be worse. And I never say my engine is too loud!

Superstitions would be a great new topic, huh? Who wants to start first.
Steve A

Edited by - on

PCP777
Master Marine Consultant

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USA
1225 Posts

Response Posted - 07/29/2010 : 15:24:34

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by piseas
 <blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by islander
<hr height="1" noshade id="quote"></blockquote id="quote">
.. after putting the boat away and starting to walk down the dock for the car is to turn around and say, "Thank You Boat". Sounds stupid I know but I feel if we don't do it something bad will happen on the next outing.

Scott, you and I both know -and I bet a lot of others if the admit it-that is NOT stupid. As I leave I put my hand on the bow and say "Thanks PiSeas", (using her name is more personal and she knows it!) And if she got me out of a mess I add, "Job well done!"
Aren't most sailors superstitious? ie christening our boats, renaming your boat, raising and taking down the sails the same way, etc. I also feel if I say something bad or negative about my day on the water like it was too cold or too hot or not enough wind, etc, then next time out will be worse. And I never say my engine is too loud!

Superstitions would be a great new topic, huh? Who wants to start first.
Steve A

<hr height="1" noshade id="quote"></blockquote id="quote">

Go with it. I agree, most sailors I know are a superstitious lot.

Frog, my gasket is coming loose there as well, thanks for the tip.

Edited by - on

limey156
1st Mate

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89 Posts

Response Posted - 07/30/2010 : 07:15:54

OK still having O/B issues. i have a (i think 2001) Yamaha 9.9, it was having coolant flow issues, basically the pisser exit got mostly clogged with salt buildup. i found that and cleaned it out and got good flow now, but my outboard is not producing near as much thtrust as it once did. I am wondering if i overheated it trying to get back in last weekend with reduced cooling. it starts and idles like a champ but wont push the boat against a light breeze, where before it was more than strong enough. any ideas? havent pulled the plugs. TIA!

Edited by - on

islander
Master Marine Consultant

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USA
4024 Posts

Response Posted - 07/30/2010 : 13:57:30

If the as you call it pisser was clogged and you unclogged it and you now have a normal stream of water then your engine had a good flow of water. The telltale is just a visual means to let you know that water is flowing. Other than that, It's not really needed. The water is still flowing even though water wasn't coming out the telltale. Does the engine idle fine but when you throttle up it begins to lose power, sputter etc like it is running out of gas?

Edited by - islander on 07/30/2010 14:02:12

Stinkpotter
Master Marine Consultant

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Djibouti
9082 Posts

Response Posted - 07/30/2010 : 19:54:52

Limey, a 9.9 anything should push you easily through almost anything at half throttle. You have two jets in the carb--the idle jet and the high-speed jet. I'm guessing the latter is clogged.

It's also possible (but less probable) that you're running on one cylinder due to a plug, spark wire, or something. If so, it'll idle on one cylinder, but will feel rough when you throttle up.

Edited by - on

islander
Master Marine Consultant

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USA
4024 Posts

Response Posted - 07/31/2010 : 06:00:38

Dave is thinking like I am, You might have a partial clog in your float valve. Enough gas is getting by the clog to keep your float chamber full at idle speed but when you throttle up the engine's demand for gas starts to suck the gas out of the float chamber faster than it can be replaced thus starving the engine and no power. Had this happen to my Yamaha 8. Does the Yamaha have an in-line filter? If not I would put one in.

Edited by - on

DanM
Captain

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USA
256 Posts

Response Posted - 07/31/2010 : 06:10:55

Bigelop:
Back to your gasket; I discovered that the gasket on my 2005 Nissan had shifted slightly, so that it did not fit the full circumfrence of the cover. I was about to try some sealant to hold it in place, but once I slid it a little so that there was a small gap where it meets at the front, it fit perfectly. Perhaps it shrinks and expands in length with temperature changes. It has not been a problem since.

Edited by - on

Frank Law
Navigator

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USA
159 Posts

Response Posted - 07/31/2010 : 19:07:48

JOHN P ... My Honda 8hp 4 cycle was not peeing with earmuffs this spring .. Nothing coming out,, tried the pin up the outlet, removed the outlet hose still nothing.. It needed a new impeller, which was replaced less than 2 years ago.. The service guy said if sand gets into the impeller it will destroy the vanes/blades.. Being in the Chesapeake which is shallow I think I'm picking up a lot of sand????

Frank Law
"About Time"
3519 1983
SWK-SR

Edited by - on

AADIVER
Admiral

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USA
966 Posts

Response Posted - 07/31/2010 : 21:26:25

Anyone have this Tohatsu 9.8 "problem": motoring back to the marina the red oil warning light flashed on. I reduced speed and got back to the slip and killed the motor. The Manual says the red light means I have an oil pump switch problem. I checked the oil level; right to the top. I did my usual flushing routine in a bucket of fresh water and the red light didn't come on, even when I increased the rpm's. Maybe the light means I'm about to have an oil pump switch problem. Any ideas?

Edited by - on

Ben
Master Marine Consultant

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USA
1234 Posts

Response Posted - 08/01/2010 : 16:27:06

Regarding the rubber ring on the inside of the Nissan/Tohatsu 9.8 cover, someone mentioned a product from Walmart to glue the rubber ring back to the cover. My rubber ring is completely seperated from the engine cover, and if it weren't for the rubber ring being clamped on the forward part of the cover, the two would come apart; and understandably getting the cover back on the engine now is a real b!tchasaurus.

I have some 3M 4200 leftover from a previous project. Would that be an adequate glue to adhere the rubber ring back to the engine cover?

Thanks all ya'll.

Ben

Edited by - on

Ben
Master Marine Consultant

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USA
1234 Posts

Response Posted - 08/02/2010 : 14:44:37

Anyone? Is 4200 okay to use to adhere the rubber ring to the engine cover?

Edited by - on

DaveR
Master Marine Consultant

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USA
2015 Posts

Response Posted - 08/03/2010 : 09:25:15

Hi Ben. Although I've never used 4200 for this purpose it looks to me to be about the perfect product to use.

Edited by - on

DaveR
Master Marine Consultant

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USA
2015 Posts

Response Posted - 08/03/2010 : 09:37:03

Thought I'd share a little problem I had with a mower engine because it could very well happen to a 2cycle outboard.
I haven't had an ethanol problem with my outboards but my lawn mower started acting a little weird about 3 cuts ago where after it got up to temp and ran good for a little while it would start to loose power and threaten to stall. Each subsequent cut it got worse and then last cut it wouldn't start. Clearly a "not getting fuel" problem. I took the carb apart and did my usual compressed air through every orifice routine. While taking the needle-valve seat out (so it wouldn't go flying when I shot air through) I noticed it was blown up like a doughnut with the center hole just about closed. I'm thinking the ethanol vegged out the rubber seat and caused this. Changed it out with another seat I had lying around and it ran perfect.

Very small inexpensive things can cause BIG problems!!

Edited by - on

islander
Master Marine Consultant

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USA
4024 Posts

Response Posted - 08/03/2010 : 13:14:48

Dave, A rubber seat? No kidding. What ever happened to brass. I guess any way they can cut a penny in manufacturing they take it. This is why we have a "Throw away world"

Edited by - on

Ben
Master Marine Consultant

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USA
1234 Posts

Response Posted - 08/04/2010 : 08:28:21

Thanks for the response, Dave. That's what I was hoping.

Edited by - on

limey156
1st Mate

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89 Posts

Response Posted - 08/05/2010 : 08:44:22

OK all i figured my problem. the motor was fine, simply a spun propellor! I have never touched an outboard motor before getting this boat this spring so i am learning a ton. $118 later i had the new prop in hand and replaced it while leaning out over the back of the transom.....good thing i am 6'4. a local shop told me about getting my old prop refurbished nearby so ill do that and then have a spare on the boat if it ever fouls up again!

Read about a spun prop here: http://www.mercstuff.com/spunprop.htm

Edited by - on

Stinkpotter
Master Marine Consultant

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Djibouti
9082 Posts

Response Posted - 08/05/2010 : 08:58:29

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by limey156
 OK all i figured my problem. the motor was fine, simply a spun propellor!<hr height="1" noshade id="quote"></blockquote id="quote">Ah-HAH. I didn't get that it was revving up OK while losing thrust... That's a sure sign, like a slipping clutch in a car.

Edited by - on

sweetlou
1st Mate

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53 Posts

Response Posted - 08/05/2010 : 19:08:41

Don't mean to hijack the thread but my Tohatsu 9.8 has consistently left a couple drops of gas on the water after long periods of idle and even after running the bowl dry.

It becomes apparent after shifting position, either raising the outboard or a bit of wake at the dock. The "drop" does not seem to originate from the fuel line connection but farther down (either the rubber gasket or below toward the shifting mechanism).

I have yet to experience any real issue with the motor since learning to run the carb bowl dry but the residue occasionally attracts displeased glances in the marina.

Edited by - on

OJ
Master Marine Consultant

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USA
4382 Posts

Response Posted - 08/05/2010 : 19:17:53

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by sweetlou
 . . . run the carb bowl . . . <hr height="1" noshade id="quote"></blockquote id="quote">Is it possible to run the bowl dry? I've always had to crack open the screw on the bottom of the bowl to drain it completely . . .

Edited by - on

sweetlou
1st Mate

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53 Posts

Response Posted - 08/05/2010 : 20:50:08

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by OJ
 <blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by sweetlou
 . . . run the carb bowl . . . <hr height="1" noshade id="quote"></blockquote id="quote">Is it possible to run the bowl dry? I've always had to crack open the screw on the bottom of the bowl to drain it completely . . .
<hr height="1" noshade id="quote"></blockquote id="quote">

Good question, I suppose not. By running the bowl dry I meant that each trip after tying up I disconnect the fuel hose and allow the motor to run (sometimes up to 5 minutes) without supply from the tank.

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