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Old 15 August 2004, 16:52   #1
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Country: UK - England
Town: Mayfair, London
Make: RibEye/Ferretti 881
Length: 7m +
Engine: Yamaha 25/Twin MTU
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Outboard Question

I just realised (after a year's ownership) that the vertical trim tab on my Yamaha outboard is missing!

I know it doubles as a sacrificial anode, but the fitting is in place on the cavitation plate, but it looks like the actual fin has been filed off.

As the boat used has mainly been kept ashore has only been in the water for the last couple of months and the other anodes are all still healthy....would there be a reason for the previous owner filing it off? Is this something that is done for a reason?

Would I notice any difference if I got a new one...the boat runs straight and level as it is.

Any advice welcomed.

TimW
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Old 15 August 2004, 17:29   #2
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Hi Tim,

I would definitely refit a new one . You need the extra protection !!!

The cost is only 20 to 30 euro and it is only a two minute job to fit !!

Best wishes,

Stuart
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Old 16 August 2004, 03:04   #3
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Country: UK - England
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Hi Tim
Some times you have to cut or alter the trim fin anode if a stainless steel prop is fitted, you can buy anodes without the fin for this purpose, or buy a standard one and chop it, HTH
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Old 16 August 2004, 04:11   #4
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Country: UK - England
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Ian and Stuart,

many thanks for you advice.

I believe the prop is stainless steel...but I wonder why the trim tab appears to have been cut off !???

I wouldn't want to fit a replacement to find something gets screwed up!
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