Recent content by jwharp

  1. J

    1987 Yamaha Pro V 150 Stalling

    Thank you. Boat is currently in storage. Waiting for the ice to go. Hopefully I will get to work on it soon.
  2. J

    1987 Yamaha Pro V 150 Stalling

    I appreciate your feedback. By Lift Pumps are you referring to the Fuel Pumps? If so, yes I have replaced BOTH Fuel Pumps. If the engine was sucking air in the lower RPM range, would sucking air be an even greater problem in the higher RPMs? Not having any issues in the higher RPM range. If...
  3. J

    1987 Yamaha Pro V 150 Stalling

    Does anyone have thoughts on these issues? Would appreciate some input. Thank you.
  4. J

    1987 Yamaha Pro V 150 Stalling

    I am running a 1987 Yamaha Pro V 150 hp. I have 2 issues and they may be related. Issue # 1. To get to and from “open water” I must drive via “no wake zone” for about 1 mile. After a short while the engine starts to feel and sound like it is not firing on all 6 cylinders. Once you can increase...
  5. J

    Yamaha ProV 150 Fuel Starvation - Clogged Tank Withdrawal

    I am running a 1987 Yamaha ProV150 on a 1987 Chris Craft Scorpion 168 Outboard bowrider. Issue at about 4300 rpm engine slows as if it has run out of gas and is starved for fuel. Things I have done: drained all fuel from below deck fuel tank and replaced with fresh fuel and added Seafoam...
  6. J

    1954 (???) Evinrude 7.5 hp

    Is there a resale (antique) market for a low hours, old 7.5hp Evinrude (circa 1954???)? This machine has not been used for the past 40+ years. Looks in good condition, still turns over when pull start cord.
  7. J

    Volvo Penta 3.0 GS Over Heating

    Water pump impeller has been changed 4 times in recent months along with related parts due to excessive overheating. Sherwood belt drive pump has adequate belt tension ... not slipping. Impellers that have been replaced look like they were dry started ... but they were not. Pump housing has...
  8. J

    Yamaha PRO V 150 Excessive Blue Smoke

    Got a 1987 Yamaha 150hp ProV v6, engine running rough ... seems to be getting too much oil ... propellor trail behind boat is a blue cloud ... oil is dripping from 4 of 6 carb ports, main oil tank on engine is full, any ideas as to what is wrong?
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