Yamaha like all engine manufacturers are controlled by the EPA in the countries they are sold
In most countries the use by date has been established and 2018 is the end date that they can be sold with the start date being as early as 2015
So to comply with EPA requirements, yamaha would be allowed to sell off existing stock but the retail section ( local dealers ) would be restricted form selling them in certain countries
So to answer your question
No yamaha would not be making 2 strokes after 2015 as they could not sell them so any you see would be existing stock in dealers being sold off
SOURCE: 2008 Yahama 90 2 stroke outboard lower unit fluid leak
Ok by fluid I assume it is gear oil leaking yes?
There is every chance there is the smallest seal leak there that may only be present once the gear case gets a little pressure in it, either through use, or through expansion as the leg heats sitting in the sun even. Have you got a new washer installed under this screw to properly seal it? Usually a nylon type washer is best.
Also, how do you know the lower unit is not leaking or have water intrusion? Have you drained the gearbox oil recently? If so what color was the oil, milky looking at oil or good semi-transparent oil color?
SOURCE: 40hp 1987 yamaha outboard motor will run for 30-60
Sound like the fuel pump is not keeping up with the engine's demand. Check it out. Good luck. Hope this helps.
SOURCE: i have a yamaha 2
On the tachometer back you have secured a wire thread just like the one from the brakes of a bicycle. The other end of the wire is secure to the engine. This wire complete, need to be replaced. As a test first disconnect it from the tachometer and see if ok if not then the problem is with tachometer.
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