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Top speed w/ full ballast

Posted: Sat Jun 05, 2010 9:08 pm
by Steve
After my carb rebuild last year I'm getting about 12-13mph w/ a full ballast, and about 18-19mph empty. Is this pretty good w/ a 50hp Yamaha 4-stroke?

Re: Top speed w/ full ballast

Posted: Sat Jun 05, 2010 10:00 pm
by Just Nuisance
Hi Steve

I rebuilt my carbs last winter as well. I have a Honda BF 50. Im very pleased with my 13 mph with full ballast and five people evenly spread out on the boat and 19-20 mph with the wife and I with empty ballast. Rpm is 5700, I find that at 5900 rpm the prop starts to cavitate a bit. Glad to know my numbers are similar to yours.

Mike
Just Nuisance

Re: Top speed w/ full ballast

Posted: Sat Jun 05, 2010 11:27 pm
by socalmacer
Can you tell me what prop you are running with the honda 50hp? Size and pitch would be helpful. I have the same motor minus the recent carb rebuild and am not getting similar performance. Thank Brian :macm: :P