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This supplementary service manual describes the outline, technical data and servicing procedures for
the DF40QH/DF50QH outboard motor.
Please read and thoroughly familiarize yourself with this information before using it for your service
activities.
NOTE:
Use this supplement with the following service manual:
DF40/50 Service Manual ( P/no, 99500-87J00-01E)
CONTENTS
GENERAL INFORMATION ___________________________________________ 1
WARNING / CAUTION / NOTE ............................................................................ 1
GENERAL PRECAUTIONS ..................................................................................... 1
SPECIFICATIONS __________________________________________________ 3
SERVICE DATA ____________________________________________________ 5
TIGHTENING TORQUE ______________________________________________ 11
SPECIAL TOOLS ___________________________________________________ 13
MATERIALS REQUIRED _____________________________________________ 16
WIRING DIAGRAM _________________________________________________ 17
ENGINE CONTROL SYSTEM _________________________________________ 18
Caution / Diagnostic System .................................................................................... 18
Engine speed control during shifting.......................................................................... 19
Checking engine total operating hours....................................................................... 19
MID UNIT_________________________________________________________ 20
TILLER HANDLE ................................................................................................... 20
REMOVAL ........................................................................................................ 20
DISASSEMBLY ................................................................................................. 21
ASSEMBLY ...................................................................................................... 24
INSTALLATION ................................................................................................. 25
TILT AID SYSTEM ................................................................................................. 30
REMOVAL ........................................................................................................ 30
INSPECTION.................................................................................................... 31
INSTALLATION ................................................................................................. 32
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