Search results

  1. F

    Boat Speed vs. motor RPM

    If I have a motor with a given prop (17 pitch) and I'm getting 5200 rpms, does that translate directly into a given speed?<br /><br />I have '91 90 HP Merc and my GPS is reading 31 mph. Other boaters in my identical boat are reporting 40+ mph with 90 HP motors and equal props. What's up with that?
  2. F

    Trim/Tilt Switch

    The trim/tilt switch sticks on my '91 Merc 90 Hp. Is it easy to replace this switch?<br /><br />I don't see an easy way to get into the throttle lever casing (or whatever it is properly called).
  3. F

    Need Help - Potential Fuel Problem

    This is my first post to this forum. I am new to outboard repairs, and have found the postings on this forum to be extremely helpful. Below I'll describe my issue which may be novice, but I have yet to nail it down.<br /><br />I have a 1991 Mercury 90 Hp, purchased this past Spring. I have...
Top