Re: Need help diagnosing Evinrude 9.5 problem

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March 26, 2017 at 4:53 pm #54942
David Stanton
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    quote fleetwin:

    Yeah, these engines don’t have a lot of power/top RPM….They start easy, idle nice, and are smooth, but aren’t going to win any races….
    Try to take a video of the engine running on the boat if you can…

    Yeah – these 9.5s were rated at the powerhead, as were the Mercury 9.8s. I’ve found these two motors perform about the same, and the Johnson 9.9s rated at the propshaft from the late 1980s and the Merc 9.9s from 1986 up will plane boats and run circles around the 9.5s and 9.8s. I’ve had them all on my 14′ aluminum rowboat for comparison.
    Dave