Yamaha F150B Service Manual
Also see for F150B: Owner's manualService manualOwner's manual
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Contents
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4-18Troubleshooting the power unit012345678910ASymptom 1: PTT unit does not hold the outboard motor up.Troubleshooting the lower unit— : Not applicableSymptom 1: Shift mechanism of the forward gear and reverse gear does not operate properly.Symptom 2 Cause 1 Cause 2 Checking step Refer topage— Manual valve opened Manual valve malfunction Check the manual valve. 9-45— Insufficient PTT fluid — Add sufficient fluid. 9-36— PTT fluid leakage — Check the hydraulic pressure. 9-34— Clogged fluid passage — Disassemble and check the PTT unit. 2-299-32Symptom 2 Cause 1 Cause 2 Checking step Refer topage—Shift rod operation malfunction Shift rod connection mal-functionCheck the detent. Check the shift rod con-nection.8-238-258-65— Shift mechanism malfunction (in lower unit) — Disassemble and check the lower unit. 8-18-47 |
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