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Ns9.9b2 355a-1 22963

mikethefloorman

New member
I am trying to find out what year this motor is. I am having no luck. I believe it is a late 80's early 90's motor. I want to get a repair manual. The motor starts and runs really good at first. After about 5 or 10 minutes it begins to fall off and will not idle well and is hard to keep running at low RPM's. I really could use some help identifying the motor itself and also whatever its problem is. ( NS9.9B2, 355A-1, 22963 )
 
You can ask Nissan Marine about year of manufacture at http://www.nissanmarine.com/contact.html. Any dealer can provide you with a Factory service manual. I would check the 3 usual systems when the motor is hot: Ignition, fuel, and mechanical. If the comprewssion is low, or you need carb bits, you are done. There are Zero parts available for that carb.
 
Thanks for your help. I'm waiting on a reply from Nissan about what year this motor is. By the way, would you know where I could find a used lower unit housing for a 1982 Johnson GT 150?
 
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