Yamaha Waverunner FX 160 Service Manual page 214

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FUEL INJECTION SYSTEM

o. Measure the throttle position sensor out-

put voltage (DC). Adjust the throttle posi-

tion sensor A position if out of

specification.

Throttle position sensor output

Pink (P) – Black/orange (B/O)

0.756 ± 0.016 V

• To decrease the output voltage, turn the

throttle position sensor clockwise.

• Slightly tighten the throttle position screw.

p. Start the engine and let it run at trolling

speed for 20 minutes.

• Warm the engine up in the water.

• While checking the engine temperature

with the Yamaha Diagnostic System,

warm the engine up until the engine tem-

perature is 50 ° C (122 ° F).

q. Adjust the throttle stop screw until trolling

speed is within specification.

Trolling speed:

30 °C (86 °F)

10 °C (50 °F)

20 °C (68 °F)

r. Adjust each cylinder to the cylinder dif-

ferences shown in the table using syn-

chronizing screws 3– 5 and using

cylinder #2 as the standard.

engine speed