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Hi, I been reading on the net about motors and some refer to the 8hp and 9.9 as the same engine. I also found that some sites say the 9.9hp is a 15hp restricted. If this is the case is the 8hp a restricted 15hp engine and if so how do i go about derestricting it. I believe it is electronic restiction. The reason i ask is i have it on a 14ft tinny and with 2 people it needs that bit more to get it out of the water and i cant afford a new engine. I know at full throttle now it dont rev hard so maybe derestricting with give it that bit more i need. Cheers.