40HP Mariner Identification

Augy · #1 August 25th, 2009, 02:34 AM

I just bought an older boat with a 40 HP Mariner. I went thru all the threads (took about 4 hours with the attachments) and still could not figure out the year. I think it is a Yamaha in disguise. The number is 40E 6E9 L 405173. Can someone please help? Thanx in advance. Augy

SpecHunter · #2 August 28th, 2009, 11:22 PM

I too have the same problem with the motor yr.
my serial no. is 404323 and cant find the yr. i think its early to mid 80`s
I got mine off a junk boat sitting in the weeds 3 yrs ago and its a screamer!
runs great, very dependable and i also own an identical boat with a fifty hp merc on it and it runs just as fast. ( tip: put a stingray fin on it )

TableRock Lake , Branson West mo.

SpecHunter · #3 August 28th, 2009, 11:29 PM

just found another post ..... it an 85 ... so is mine

Augy · #4 September 10th, 2009, 01:09 AM

The reason I did not get back to this was because i THOUGHT I had my answer. I was told that mine (with that number) was a '91 or '92?!?!?