Yamaha F20A Service Manual

E
POWR
CHAPTER 5
POWER UNIT
POWER UNIT .................................................................................................. 5-1
EXPLODED DIAGRAM ............................................................................. 5-1
REMOVAL AND INSTALLATION CHART ............................................... 5-1
FLYWHEEL MAGNETO .................................................................................. 5-4
EXPLODED DIAGRAM ............................................................................. 5-4
REMOVAL AND INSTALLATION CHART ............................................... 5-4
SERVICE POINTS ..................................................................................... 5-5
Starter hub removal .......................................................................... 5-5
Flywheel magneto removal.............................................................. 5-5
Flywheel magneto installation ......................................................... 5-6
Starter hub installation ..................................................................... 5-6
RECOIL STARTER ........................................................................................... 5-7
EXPLODED DIAGRAM ............................................................................. 5-7
REMOVAL AND INSTALLATION CHART ............................................... 5-7
SERVICE POINTS ................................................................................... 5-10
Cartridge spring installation........................................................... 5-10
Sheave drum installation................................................................ 5-10
Starter rope installation .................................................................. 5-11
Recoil starter checking.................................................................... 5-11
STATOR AND TIMING BELT ........................................................................ 5-12
EXPLODED DIAGRAM ........................................................................... 5-12
REMOVAL AND INSTALLATION CHART ............................................. 5-12
SERVICE POINTS ................................................................................... 5-13
Driven sprocket removal and installation ..................................... 5-13
Timing belt installation ................................................................... 5-13
ELECTRICAL UNIT ........................................................................................ 5-14
EXPLODED DIAGRAM ........................................................................... 5-14
REMOVAL AND INSTALLATION CHART ............................................. 5-14
CONTROL UNIT ............................................................................................ 5-17
EXPLODED DIAGRAM ........................................................................... 5-17
REMOVAL AND INSTALLATION CHART ............................................. 5-17
CYLINDER HEAD AND OIL PUMP ............................................................... 5-18
EXPLODED DIAGRAM ........................................................................... 5-18
REMOVAL AND INSTALLATION CHART ............................................. 5-18

Yamaha F20A Specifications

General

Brand	Yamaha
Model	F20A
Category	Outboard Motor
Language	English