Hottuna, thanks for the advice, I'd like to see some pics of the counterweights
I had a chat with the gentleman who sold us the motor yesterday and he said not to worry about it, he has been designing and using roti's for most of his working life and was telling me how he's even had whole cow legs , bone in, weighing 65lbs on the spit using this motor, obviously it would be very hard to balance this type of cut. Now in saying that it doesn't mean he's right and I can definetly see the benefit of using a counterweight especially for longevity of the motor. Although the motor itself was pretty cheap, it was the mounting and housing that was the expensive part.
Pics Please