What year is this Motor?

[shellmel]

I have a Yamaha Precision Blend 40hp
S/N 6H4 L 551330

Anyone know what year this is? My boat and trailer is a 1986, but I don't know if the motor is the same or not. I just purchased it used. Thank you.

[boats.net]

That serial number is a 2001 40TLRZ model.