Mercury 850 ID problem

[dabuilderman]

Hi, I have a mid-seventies Merc 850 but am having trouble identifying by serial number.
It is 7017210. If anyone could help with reference it would be appreciated.

 

[racerone]

Looks to be a 1973 model.------Canadian serial # ??----Your location ?

 

[dabuilderman]

Yes I am in Canada. From the colors it appears to be that era

 

[racerone]

Well -----The list says it is a 1973 model !!