Info on johnson 200 on 19ft gremlin

[Andy meredith]

Hi i am hoping there is someone in uk can help with info on the motor or boat been told its a 2oo V6 but got no plate and freeze plug has been changed so no joy there do we have anyone who knows these motors from back to front that can maybe help with I D The hull is a 19ft Gremlin ex race boat still has all the bells and whistles. believe it was made in wales and they were successful and it base on an 18ft phantom, any help please as this old duffer at 75 is running out of time.