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I am about to attempt to fit a new stern gland assembly to my Mk 3.
To order one I need to Know the O.D. of the stern tube fibreglassed into the hull.
It has the offset type propeller shaft. Can anyone help with the dimensions. Thanks Rabbit.

For anyone with a Mk 3 side exit stern tube the dimension of my stern tube was 40mm O.D. x 53mm long. Rabbit