Need help identifying a 1990 Yamaha V6 outboard.

[yodaddy]

Originally Posted by captpete13

sweet. you have a sleeper just like me. Does your motor have manual choke or does it have Prime Start? Prime Start began in 1990. It is an automatic choke system that feeds the motor extra fuel till it warms up.

It has a manual choke. Serial # on the freeze plug is 750659, which, if I am reading this listing correctly - http://images.cmsnl.com/img/partslis...tech8_2fda.gif indicates it's a 1990. Did they start out 1990 with manual chokes and then swap over to Prime Start mid year or something?