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    Old Westerbeke Diesel overheat

    I recently repowered (from 22 hp to 37 hp) to a old rebuilt Westerbeke Diesel (4-107 block). The engine runs great until you get above 1500 RPM. Then begins to overheat (fresh water cooled w/ heat exchanger). 1) I did not change prop, however since I powered UP this (ive been told) should not...
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    Nissan/Tohatsu - no high rpm output

    I have a Nissan 15Hp (Model D 2 stroke). Unfortunately, the engine was not used for several months and gas went bad (even with additives that guaranteed a year!). It would not start at all. I replaced the gas, and took apart and cleaned the carb. The engine starts but under high RPM whether...
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