Hi Folks, I am new to boating and have bought an Avon 4 metre rib with a 30hp Mercury outboard. It was an oil injection but has been converted to pre mix. Would it be worth getting it converted back? Can anyone tell me the age (I have tried http://www.marinshopen.se/guide/mp/marguide.htm but my Swedish is a bit rusty) The serial No is 689-L-418107 and the other No is 68902 and 30ELO. Thanks