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  1. S

    1989 GT150 Max Spark Advance?

    Using the factory service manual under synchronization and linkage adjustments on page 1-41 in the NOTE it states: Do not use propeller or flushing device to perform this procedure. I must use the correct test wheel? I think I understand a test wheel applying proper torque to the motor at high...
  2. S

    1989 GT150 VRO2 conversion to Gas

    It looks like my 1989 J150STLCEM has been converted. Lines are cut and blocked for the oil and fuel in tank is mixed 50:1. However, it has a Holley fuel pump in line and the fuel line is still going thru the VRO?? Is this the way it is supposed to be? Do I need to remove Holley fuel pump and...
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