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Yamaha F400A 2022 - Troubleshooting the Lower Unit

Yamaha F400A 2022
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4-35
Outboard motor troubleshooting
Troubleshooting the lower unit
Symptom 1: Shift mechanism of the forward gear and reverse gear does not operate properly.
Symptom 2 Cause Checking steps
See
page
Shift rod does not operate
properly
Check the shift actuator operation. 5-23
Check that the shift rod, shift actua-
tor bracket, and shift actuator are
installed properly.
9-14
8-15
8-16
Check the shift rod for wear. 8-13
Shift mechanism malfunc-
tion (in lower unit)
Check the shift rod connection. 8-13
Check the dog clutch and related
parts.
8-21
Check the forward gear, reverse
gear, and pinion for damage and
wear.
8-30
8-22
8-30

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