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Old 03-12-2010, 18:03   #1
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Join Date: Jul 2010
Location: Sydney Australia
Boat: Mariner 31
Posts: 36
Technical Information

I've got a 1980 31' Mariner. Powered by 2 255HP Mercruisers (Petrol) Shaft drives.

My question is.

Does anyone know what the gearbox ratios are?

What the size the props should be?

What max Revs should they be pulling?

Thank you for your response.
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