1975 JOHNSON 115 FUEL MILAGE

chanelcat

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Mar 11, 2001
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1975 JOHNSON 115 FUEL MILAGE

I CALCULATED GAS MILAGE AT ONLY ABOUT 2.5 MILES PER GALLON AT 70% THROTTLE , SHOULD MILAGE BE BETTER THAN THIS,THE MOTOR RUNS WELL THOUGH,BOAT WEIGHS ABOUT 2500LBS ALSO,I NEED TO INSTALL A TACH ON THIS MOTOR, DOES ANYONE KNOW IF AN AUTOMOTIVE TYPE TACH WILL WORK WITH THIS MOTOR? THANKS
 

JB

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Mar 25, 2001
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Re: 1975 JOHNSON 115 FUEL MILAGE

Re: 1975 JOHNSON 115 FUEL MILAGE

I consider those big, cross scavenged V4s terrible gas hogs, Chanelcat, but very reliable. You didn't say what sort of boat she is pushing, but 2.5mpg doesn't sound out of the ordinary. You need a marine tach, I think.<br /><br />Red sky at night. . . <br />JB :)
 
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