Logo
FULL SITE MENU

Search results

  1. R

    Yesteryear '92 Merc 40 Idle Problem Solved in 1994

    Three years after I bought my '92 Merc 40 4cyl 2stroke, it refused to idle but ran OK at cruise speed. Local dealer mechanic diagnosed the problem as sticky needle valves in the carb bowls. He took off both carbs, cleaned them, re-installed. Result: boogered every fitting on the carbs (pliers...
  2. R

    Yet Another Merc 40 2 Stroke With No Spark

    This post is a continuation of another post of mine - Yet Another Merc 40 2 Stoke 4 Cylinder won't idle http://www.marineengine.com/boat-forum/showthread.php?456445-Yet-another-Merc-40-2-Stroke-4-Cylinder-won-t-idle In that thread, the fellas on the forum determined that the carbs needed...
  3. R

    Dangerous condition - '92 Merc 40 4 cylinder 2 stroke

    Several years ago, 2014, I got a nasty surprise when prepping my Merc in the driveway for the summer season. The engine at that time had 23 years on it. I just happened to glance at the 2 clear oil lines on the starboard side bottom of the power head. Those lines go from the oil tank to the...
  4. R

    Compression test of '92 Merc 2 stroke 4 cylinder

    Folks, I am about to do a compression test on my '92 Merc 2 stroke 4 cylinder. I have still not found a pontoon trailer to pull it out of the water so I can work on the carbs (marinas are booked solid with repair work) - see my other thread on that at...
  5. R

    Yamaha 40 EFI Outboard Manufacturer

    Hello folks, I am considering re-powering my pontoon with a Yamaha 40 or 50 EFI. Does anyone know if Yamaha makes that engine or does some other company make it? I bought a Tohatsu 9.8 a few years ago and found that Tohatsu makes the Merc and Yamaha 9.9; ergo my question.
  6. R

    Mercury Fuel line Clamp Removal/Install Tool

    Is there a tool to remove and also install the pictured clamp? Thanks, RickM46
  7. R

    Yet another Merc 40 2 Stroke 4 Cylinder won't idle.

    I have a 1992 Merc 40 2 stroke 4 cylinder I have owned since new with WMA carbs that ran great 4 years ago; now, it won't idle. Has been in the garage for 4 years and not used. When I last winterized it, Stabil in gas tank, fogged it, drained the carb float bowls, filled the float bowls...
Back
Top