there are 2 different schools of thought on the oil injection system. i have a 94 150 with 1500 hours, all on the injection system. it is a simple pump system that works off of a plastic ring on the crank shaft. if that ring breaks, pump no pump, engine no go. the only alarms on it are one on the pump that will sound if the pump quits rotating and another in the engine mounted tank that sounds if it runs low on oil. i have friends with the same motor that they have disabled the system. they use a lot more oil and have to clean carbs more often. i have never had the carbs off of mine. one day, i am going to get snake bit, but for now i like the system. i do carry a spare gallon of oil and at the slightest hint of a buzzer , i dump a gallon in the fuel tank. i have only had to do this once in 18 years because a hose split & the top tank was not refilling. the oil is moved from the storage tank to the motor tank by crankcase pressure. i do keep a eye on my hoses and have replaced them twice. to change out that ring, you have to take the whole motor apart.
i am sure 80% on here will tell you to run premix to eliminate a varible.
also make sure the steering arm is in good shape, mine almost rotted off and a major pia to swap out.
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06-07-2012, 05:45 PM
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