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  1. R

    RPM to low

    Need some help with my boat. I have a 17-ft aluminum Bluefin with an 85 HP Johnson OB. It has a 13 ? inch diameter 17 p three blade aluminum prop, Hustler. At WOT I only get 4400rpm and 35 mph. I?m ok with the speed but I know the rpm is to low. I was going to get a prop with less pitch. On this...
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    What size prop for a new motor

    I've got a 1984 17 ft aluminum Blue Fin open bow boat. I just rebuilt a 1978 85 hp Johnson for it. The motor came without a prop. According to the shop manual for the motor WOT is at 5000 rpm. Need an idea what size prop to put on this motor? I went onto a calculator on some website and it...
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    Force 50 Carb

    I've got a 50hp Force (model #507Y7C, believe is 1987). I'm trying to set the carburator float level. The Clymer manual says there should be 13/32 in. between the float and the casting with the carb body inverted. Also says there should be 1/16 in. between the bottom of the float and the top of...
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