Yamaha F115A - Checking the Pressure Regulator

4-11
FUEL
E
CHECKING THE PRESSURE
REGULATOR
Check:
• Pressure regulator
Faulty → Replace the pressure regula-
tor.
Checking steps
(1) Install the fuel pressure gauge onto the
pressure check valve.
(2) Main switch to on.
(3) Check the fuel pressure.
(4) Start the engine.
(5) Check the fuel pressure.
Fuel pressure gauge ................. 1
YB-06766 / 90890-06786
Fuel pressure
Approx.
300 kPa (3.0 kg/cm
2
, 44.1 psi)
Fuel pressure
Approx.
250 kPa (2.5 kg/cm
2
, 35.6 psi)
1
4060
HIGH-PRESSURE FUEL LINE