Reply To: 70/75hp HIgh Performance Cylinder Head Kit?

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July 31, 2019 at 7:00 am #180546
Don
Participant

    US Member

    75hps are fairly rare, and they are not meant for the average boat. Usually, they have less mid range power than the 70hp models, and have to wind up higher RPMs to develop the extra horsepower…. So, generally speaking, the 75hp models are not a good choice for most rigs, and they often end up with piston damage due to over propping/lugging on average boats…