Need help find the year out

[Bamaman2212]

It’s a Johnson 9.5 j3404466 is the model number but I’m struggling to find the year

 

[racerone]

That is the serial # .----Model # started with MQ-10 in 1964------If it is in original graphics and paint it can be identified with some pictures in mere seconds.-----If it is all white it is 64 to 66.----In 1967 the started using green shades except for the cowling !

 

[F_R]

That SN was built in 1971 or '72. That's as close as I can come.