Logo
FULL SITE MENU

Recent content by Olddude26

  1. O

    1987 Mariner150hp v6 will not push boat over 5 mph

    Ok I checked the spark plugs and you were correct! All 3 cylinders on left bank showed a no spark condition. The right bank cylinders all showed good spark. The right bank went to the rear power pack and the 3 cylinders on the left bank or side of the engine went to the top power pack. What...
  2. O

    1987 Mariner150hp v6 will not push boat over 5 mph

    Thx for the quick reply! I’ll pick up a spark checker from Habor Freight tomorrow and verify all coils are producing spark & also check each spark plug is doing the same. I’ll get back to the forum on findings.
  3. O

    1987 Mariner150hp v6 will not push boat over 5 mph

    Looking for possible causes for bass boat not operating at normal speed? I have rebuilt the 3 WH carbs and replaced leaky floats, rebuilt the fuel pump , replaced fuel hoses & squeeze bulb, cleaned fuel tank and tank vent. I ran compression check and got 115 psi in all six cylinders. The 2...
See more
Back
Top