Re: Gas mileage
My brother has a 1996 150 evinrude Looper on a 20ft CC . . . just like that motor and it's the biggest pig. He's got a flow scan hooked up and at 4000rpm it's burning about 14gph . . . he recently put on a new prop (17pitch viper), so the motor will rev 5300rpm range at WOT and that's made some difference. But in general that motor drinks fuel.
By comparison my 2.4L Merc gets over 3mpg at a 35mph cruise 4000rpm and I have the big venturi carbs (wh-22's with no vent jets). I don't know why those motors are so awful on fuel, but they are very reliable and well built.
I believe MJ's motor is a crossflow design which is similar to the Yamaha (what yamaha copied/stole for their nearly indestructible 2.6L motor).
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1971 222 Hiliner
1973 23 Seacraft Center Console
1973 23 Seacraft Sceptre
1971 25 Seacraft Seafari
1972 28 Cary
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