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  1. J

    Merc or Michigan Prop ??

    Need a new prop for my Merc 50hp 4 stroke. Moving from a 15P to 12P (the 15 came with the motor but way off for this boat). Way below WOT target and slow in the hole. I am no prop expert, that is for sure! Noticed that Merc prop is about 1.5X the cost for the matching Michigan prop. I...
  2. J

    Merc Props - "large blade area" ??

    In looking or a new prop for my 50hp - 4 Stroke, I have learned that there are a 2 different types from Merc. Using a 12P for an example, one is #48-73134A40 and the other is 48-816702A40. The second one is described as "large blade area", yet is the same pitch. Question: What is the...
  3. J

    Prop Advice - Merc 50hp - 4 stroke

    I have a 17 ft. alumuminum fishing boat with a 2002 Merc - 50 hp 4 stoke. WOT at 5000 rpm (with a sinlgle person). Hits about 30 mph with 3-4 people. Pleased overall with the peformance, but hole shot is slow compared to my old 50 hp 2 stroke. When the boat is really loaded (occasionally when...
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