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  1. StratosRob

    Help water on 2 plugs

    Well let me start off telling you it is a Yamaha 40 HP. 6H4L402632 Precision Blend. The top two cylinders keep getting water in them not alot (about a Tea spoon at a time) Running on muffs.With new gas. Motor ran fine until I put the muffs on. Removed the head thinking it maybe a head gasket but...
  2. StratosRob

    Switchbox Testing ?

    Does anyone know how to test a switchbox. The engine is a 1978 mercury 150V Thanks
  3. StratosRob

    Wiring diagram PDF file Anyone

    I need a wiring diagram for a 1978 mecury 150 in a pdf file(for wiring the switch boxes). And while we are at it does anyone know how to test the switch box. thanks
  4. StratosRob

    Crabs Not wide open ?

    Need to ask because I never ran across this before. A friend of mine has the same motor.( 1989 Johnny V4 VRO 90hp) He was asking me should the carbs be open all the way when the trottle is wide open. We got to comparing motors and mine only open about 3/4 at full trottle. his alittle less than...
  5. StratosRob

    Need more HP 90/115/140

    Can anyone tell the the diffrence between 90/115/140 I was told it was only the carbs. I need a little more giddy up with out having to buy a new motor or rig. Right now I have a 1989 90 V4 VRO. Could I take this motor and turn it into a 115 or maybe even a 140 . Thanks
  6. StratosRob

    Four Stroke vs Two Stroke

    I know this has been posted before but just ran across a interesting artical. I quote: The inherent inefficiencies of a 2 stroke outboards makes them less fuel efficient and costlier to operate tha a 4 stroke. Its becoming harder to find a carbureted 2 stoke in California those old 2 strokes...
  7. StratosRob

    Help wife says NO Lower cranksaft seal leaking ??????

    I think the lower cranksaft seal is leaking. Could this cause a problem with the performance of the motor. Number four looks real wet. 1,2,3 look fine. All the coils test fine and the sensor coils are ok got fire to all 4 plugs.Carbs. are ok 1988 90 johnson V4 the engine miss at 1500 RPM and...
  8. StratosRob

    JB Help Johnson 90 or anyone!!!

    I have a 1988 Johnson 90 Vro V4.I have fire on all 4 cylinders but when I pull number 4 plug wire off I have no change in RPM but alittle nothing like when I pull the plug wire off any other cylinder.When I pull the wire off any other cylinder(1,2,3) the motor drops RPM and just about dies.I...
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