I have two 86 150 Yamahas on my 250 Sportsman. As far as electrical problems the only problems electrical i have had are the oil injection black boxes. First one tank started overflowing and then the other tank on the other motor began overflowing. We ended up trashing the whole injection system and going to premix. Probably a good thing to do anyways. Other than that they are very reliable motors. They never skip a beat and as long as they have fuel they will run. (i probably just jinxed myself, i will let yall know tomorrow if they still run)
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1983 V-20 capsized. . . . in the garage.
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