22 nov. 2018 kl. 17:51 skrev greatketch@... [amelyachtowners] <amelyachtowners@...>:

Arthur,

I do not know the brand, but on my SM (#160) the shaft on the steering system is 25mm, the gear has 40 teeth.  The gear on the chain drive motor has 19 teeth.

I am not sure that all SM steering drives are the same, so you might want to check yours to be sure.

Bill Kinney

SM160, Harmonie

Fort Lauderdale, FL, USA