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rpms

  1. N

    How to measure outboard RPMs?

    Is there an easy, cheap way to measure the rpm of my outboard while motoring? I want to check the appropriateness of my prop's pitch for this boat? The outboard is a Tohatsu 8 (2-stroke). Is there an easy way to hook up a tach, or am I better off using some sort of strobe? Cheap would be...
  2. R

    E27 RPMs vs. Knots

    I finally installed a tach on my 1973 E27 (with original Atomic 4) I've had for 20 years! Tried it out the first time yesterday. Idle reads around 600 RPM, which sounds about right. Behind the breakwater in calm water I was doing a bit over 5 knots at 1250 RPM. This seemed like low RPM for...
  3. Jeff Asbury

    White smoke and un burnt fuel slick from my Yanmar at higher RPMs

    White smoke and un burnt fuel slick from my Yanmar at higher RPMs I have a little 8 HP Yanmar 1GM10. As you may know it is easy to bump the throttle up in the cockpit of a E-27. I had a crew member accidentally kick it up to over 3000 rpm and soon after it started knocking and I noticed...
  4. Jeff Asbury

    White smoke and un burnt fuel slick from my Yanmar at higher RPMs

    I have a little 8 HP Yanmar 1GM10. As you may know it is easy to bump the throttle up in the cockpit of a E-27. I had a crew member accidentally kick it up to over 3000 rpm and soon after it started knocking and I noticed white smoke and un burnt fuel slick from my Yanmar at the higher RPMs...
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