arni
I have a Mk1 Sonata with the sliding bracket on the transome. My otherwise good o/b performance is marred by periodic vibration seemingly in the bracket. I cannot seem to find an RPM that eliminates this, but some speeds are better than others. Can anybody suggest a solution?
151
THE ONLY ADVICE WE CAN OFFER IS TO PURCHASE AN ELECTRIC ENGINE WHICH WILL BE SILENT AND WILL STOP THE VIBRATION,
BUT PLEASE BE AWARE THAT YOU MAY NEED A VERY LONG EXTENSION LEAD TO PLUG IN THE MAINS AT YOU YACHT CLUB ETC,
AlexanderL
We inherited a ‘customised’ engine bracket with our Sonata, which had various rubber dampers added to try to cut down engine noise – during a week of coastal sailing, it started to fall apart, first causing the engine to leap out of the water whenever it was put in reverse (which makes moving about in a marina rather interesting 
) and by the time we got home again was in such a state that I have ‘de-customised’ it back to something approaching its original format – ok the engine is quite noisy, but not much more than before – you just have to sail or go into idle if you want to hear the VHF, crew, spouse or anything else! 
150
Use the sails and switch the engine off.