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Old 17 July 2005, 14:19   #1
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banging noise when using trim

Hello again , when im running my boat (Yamaha 90 2 stroke){2001} and i trim the motor down there is a loud noise that seems like something is holding the motor back from going down. Hard to explain but its like a studdering booom noise heh. anyone know what this might be?
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Old 17 July 2005, 16:42   #2
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Could it be low on hydraulic oil???
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Old 17 July 2005, 19:27   #3
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May simply be that the tilt tube is dry and needs greasing.
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Old 18 July 2005, 02:35   #4
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Mine used to make a creaking noise. Found there where 2 'shock absobers' that the engine rested onto (seperate to the ram). Whilst there was little movement they were bone dry a little grease stopped the creak.
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Old 19 July 2005, 08:47   #5
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ooo that might be it heh thanks!..and for the first reply sry i didnt specify, i have no hydraulic trim/tilt steering
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Old 05 August 2005, 05:11   #6
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This could be the cheek plates on the outboard.

The merc engines have two seperate cheek plates that attach to the transom. If these are too tight as the engine is raised and lowered you will get a creeking noise.

If you slack the nuts off a little, (the ones which run paralel to the transom) not too much for obvious reasons, it will stop doing it.

Chris
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Old 07 August 2005, 21:01   #7
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sry for being such a newbbiee lol but are the tilt tubes the 2 metal "pronges" that go into 2 holes while tilting? or the other thing between those 2 a little further back? Thanks
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