Got a question about my Yamaha VMAX SHO. Right now, I have a 175 HP SHO. I want to upgrade to a 250 HP, but they are few and far between. Someone has told me that I can "flash" my motor to pull all the HP out of it. I assume that it is like tuning a car engine, but I honestly have no idea. Before I have it done, I was looking for more info, has anyone done it, is it even possible, or am I being filled full of it.
Thanks for the replies.
Thanks for the replies.
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