View Full Version : 1982 25 foot chris craft with a low hour 305 chevy motor what should my speed be
05-20-2009, 11:49 PM
"i have just purchased this boat and love it but dang it seems slow .. what are the max recommended rpms , what should the speed be ?? boat rides great and handles well just dont know what to expect . this is my first boat with a "direct drive" . Just dont want to over-rev it and damage motor or trans .. also leaks at shaft seal pretty good , can i tighten packing . ?? thanks .. any other good info would be greatly appreciated ."
05-21-2009, 03:06 PM
HP probably in the 150 to 190 HP range... Max RPMs probably in the low to mid 4000's. Max cruise should be no more than 75 to 80% of the maximum that you observe.
150 to 190 HP is not going to move a 25 ft boat along all that rapidly... More info on the model of the boat would help. Also more info on exactly which engine.
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