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  1. R

    Engine dies under a load

    Well----70 PSI is way too low.----Should be around 120 PSI.-----Time to remove a cylinder head for inspection.-----You may not like what you see.----Post pictures when head is off this motor.
  2. R

    Another gear oil thread... 80w-90 vs. 90

    School was a long time ago.----Forgot that a US gallon is 128 ounces and not 132 ounces.
  3. R

    Another gear oil thread... 80w-90 vs. 90

    ???----Are you sure on the $4.69 / oz -----Seems 1 US gallon would be 132 X $4.69 I think.-----An imperial gallon would be 160 X $4.69
  4. R

    1980 Mercury 150 V6 Fuel Issues

    The hose from the carburetor FEEDS FUEL to the enricher.-----The enricher is NOT a pump that fills the carburetor !
  5. R

    Engine dies under a load

    Post the actual compression test values.
  6. R

    Another gear oil thread... 80w-90 vs. 90

    Proper marine gear oil is cheap compared to gears / bearings and shafts.----If no water gets in it is good for 3 seasons for most folks.
  7. R

    Switch 10x7 4 blade prop to a 3 blade

    Sounds like motor is mounted too high.
  8. R

    Best way to gain a little speed with 40hp engine

    If you did the job before then removing water intake screens would jog your memory I think.
  9. R

    Customer advice

    Need to determine the cause .----Otherwise it will go ---BOOM ----again.
  10. R

    1980 Evinrude 35hp water pump replacement help

    Step #1 is to remove intake water screen.
  11. R

    1980 Mercury 150 V6 Fuel Issues

    Mark flywheel with TDC for each cylinder.----Then check where each is firing using a timing light.
  12. R

    89 Mercury Classic 50 won’t open up

    Really.-----You need to install those boost venturi.
  13. R

    96 evinrude 20 hp runs rough mid range

    post the results of a compression test.
  14. R

    Need advice on 1989 4 HP Johnson

    They started building that type of 3 and 4 HP in about 1955 and those have never used a thermostat.
  15. R

    1988 Yamaha ELG 40 , trying to change water pump/impeller

    The 29 FT-LBS sounds high.
  16. R

    New Winner!

    Replaced the wood transom on a Winner boat one time.-----Had fiberglass stringers in it.
  17. R

    1973 4hp Evinrude

    The 2 HP lower unit has no plate , yes they used the 2 HP lower unit in 73.-----But there is a kit to convert that simple pump to a more expensive set-up.
  18. R

    1987 88hp evinrude v4 crossflow

    Use L77J4C
  19. R

    Math problem

    Make sure drain holes in gearcase are clear.----They often plug with mud / sand / weeds.
  20. R

    Math problem

    Little bit of dish soap in the barrel and issue is gone.----Oil out the exhaust is part of the nature of a 2 stroke engine.-----Some fuel / oil goes right through the motor and is wasted !!!----A much mis-understood concept !
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