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The fuel pressure is factory set @ 140 PSI. As the pump wears, it may require adjustment
as follows:
1) If your unit is not already equipped with a fuel pressure gauge, remove plug (H) and
insert a 0-200 psi gauge.
2) With the pump running, loosen jamnut (J) and turn screw (K) clockwise to increase
the pressure, CCW to decrease pressure.
3) Hold the screw (K) with a screwdriver while tightening jam nut (J).
Adjusting Fuel Pump Pressure
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