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    Nissan 18hp 4-stroke

    I’m hoping Elvin (or anybody) can answer two questions. I have a 2002 Nissan NSF18BEF1 that has as estimated 300 hours of running time. How soon should the camshaft drive belt be replaced? Also, is this an interference engine (piston to valve contact)? I use my boat on lakes in very remote areas...
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    Nissan NSF18B2 Torque specs / problems

    I have a 2002 Nissan NSF18B2EF1 18hp 4-stroke outboard that has gone through two (pairs) of powerhead base gaskets in less than 25 hours of running time. The most recent set only lasted about 7 hours. Inspection of the gaskets reveals deterioration of the gaskets around the exhaust port and...
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