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Old 02 May 2011, 16:41   #1
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Country: UK - England
Town: St John, Cornwall
Boat name: Ningaloo
Make: Ribeye 5.8m
Length: 5m +
Engine: Yamaha 100hp
Join Date: Mar 2006
Posts: 99
Outboard wont go down!

Hi All

Felt very pleased with myself today having washed, scrubbed and re-antifouled the boat. Battery charged, engine greased and then...

My outboard wont go down. I can hear the motor running and there is a very faint movement but thats all. Have greased the piston etc.

May have to get an engineer but would value any quick fixes so I dont look a complete jerk if its something blindingly obvious.

Thanks for any advice and help.

Jon
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Old 02 May 2011, 16:47   #2
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Country: UK - England
Town: Cumbria/London/Brittany
Boat name: Into the Red
Make: Osprey Vipermax
Length: 7m +
Engine: 'Rude E-tec 250HO
MMSI: 235 076 114
Join Date: Apr 2009
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Quote:
Originally Posted by jonmitch View Post
Hi All

Felt very pleased with myself today having washed, scrubbed and re-antifouled the boat. Battery charged, engine greased and then...

My outboard wont go down. I can hear the motor running and there is a very faint movement but thats all. Have greased the piston etc.

May have to get an engineer but would value any quick fixes so I dont look a complete jerk if its something blindingly obvious.

Thanks for any advice and help.

Jon
Sure you haven't lowered the tilt/trailer locking mechanism down? I'm not familiar with the Yamaha system but all outboards I have come across have some sort of mechanism. Maybe a good idea to have a look in the manual under "towing" or some variation of that.
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Old 02 May 2011, 17:00   #3
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Country: UK - England
Town: just N of Bristol
Boat name: Sable
Make: Avon Searider
Length: 4m +
Engine: 50hp
Join Date: Aug 2009
Posts: 317
I was struggling with one for quite a while yesterday before remembering the bit of rope which I'd tied around the bar it slots into to stop it jumping out when being towed.
Probably not that relevant, just a confession so if it does turn out to be something daft you don't feel alone....
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Old 02 May 2011, 19:34   #4
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Country: UK - England
Town: Hornchurch , Essex
Boat name: La Bamba
Make: Ribcraft
Length: 5m +
Engine: F100 Yam / 5Hp Suz
Join Date: Oct 2002
Posts: 367
Jon , have a look here

http://www.yamaha-motor.com/outboard...px?ls=outboard

You can manually by pass the tilt & trim in an " emergency " . With a bit of a heave , you can get the engine up as well by manually raising it whilst the motor is humming but not actually doing the business !

If all else fails , it may be possible to cruise with the engine virtually locked in the fully down position , but watch out for stuffing in following seas etc and would suggest that this is a last resort .

Bern
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Old 03 May 2011, 09:44   #5
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Country: UK - Scotland
Boat name: Wildheart
Make: Humber/Delta Seasafe
Length: 5m +
Engine: Merc 60 Clamshell
MMSI: 235068449
Join Date: Apr 2007
Posts: 2,854
Jon,

The catch gotchiguy is talking about is item 29/30 on this pic. Don't worry about the HP, all Yams have one!

http://www.boats.net/parts/search/Ya...201/parts.html


As for the stuffing, shouldn't be any worse on a manually trimmed engine than one electrically moved to position. There is a releief valve in the mechanism that "lets go" if you hit something solid.
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Old 03 May 2011, 11:01   #6
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Country: UK - England
Town: Bursledon
Boat name: Mustard
Make: Ribeye 785
Length: 7m +
Engine: Yamaha 200/Merc 6
MMSI: 235068693
Join Date: Oct 2006
Posts: 615
If the tilt mechanism is like mine, there is a cap on the oil reservoir which is like a knurled dome nut.

If the engine is stuck up, it may be because the fluid is low. If you crack open the cap, it lets air out and the engine should then go down.

Top up the hydraulic oil whilst you are at it, using a small syringe.

Mine had been low for a long time, I think and the oil was aerated. It overflowed as a white foam. Once that was displaced with about 50 mls of oil, all was well again.
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Old 03 May 2011, 19:14   #7
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Country: UK - England
Town: St John, Cornwall
Boat name: Ningaloo
Make: Ribeye 5.8m
Length: 5m +
Engine: Yamaha 100hp
Join Date: Mar 2006
Posts: 99
Guys,

Thanks again so much. I will check it out tomorrow and feedback.

I love you all (not sexually though)

jon
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