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Old 08 May 2009, 08:55   #1
Waterman's Avatar
Country: Ireland
Boat name: Joy Ride
Make: Ribtec655CamelTrophy
Length: 6m +
Engine: 200 optimax
Join Date: Feb 2007
Posts: 165
Mariner 40hp 2 stroke tilt seized

Went out to the boat the other day and noticed one of the engines (Mariner 40hp 2 stroke gas assisted manual tilt) would not come down when the release catch was in the tilt position. After applying a lot of pressure it eventually went down and was very difficult to lift back up, after lifting it up and down a few times it became easier to move but still does not go up or down without applying a good bit of force. Anyone know if there is a bleed valve/screw like there is on PTT or what can be done with this problem????

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Old 08 May 2009, 11:29   #2
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
More likely seized/hardened grease in the pivot bearings. Gentle heat and a throrough reapplication to the zerk fittings should help. If you maintain the engine well, and have done this in the past year, you can most likely ignore this suggestion.

As to the bleed question, usually there will be a release/bleed screw somewhere on the ram, but it varies from motor to motor. Someone who has a Mariner may be able to point it out better.


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Old 08 May 2009, 14:48   #3
Country: UK - England
Town: Looe
Make: Delta
Length: 4m +
Engine: Mercury
Join Date: Apr 2004
Posts: 1,347
Check that its adjusted properly. There is a long link rod running from the lever to the bottom of the ram, make sure its still connected or the ball at the end of the rod is not broken. You can pop it off and move it manually to make sure its all ok. They very rarely go wrong so it is unusal. Check the top pin is not seized as it needs to turn when the engine goes up and down. Other than that you will probably need a new tilt ram!.
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