Mariner 40

[gadget001]

"I have a mariner 40 with the

"I have a mariner 40 with the following numbers.
Could anyone let me know year, WOT etc for this engine. 40m 6E9 L 304173, 6E900
Any Ideas"

 

[galamb]

"Craig, that is a 1982, Yamaha

"Craig, that is a 1982, Yamaha built Mariner.

Your max WOT should be 5500 rpm on that one and ideally you should be shooting for 5200-5300 if you attempt to match a prop pitch to your set-up."

 

[gadget001]

"Graham,
Thanks very much for

"Graham,
Thanks very much for your help. Really appreciate now have to go and purchase a prop for it."