Yamaha F50D Servise Manual page 140

POWR
Power unit (check and adjustment)
Checking the compression pressure .......................................... 7-1
Checking the oil pressure ........................................................... 7-1
Checking the pulser coil air gap ................................................. 7-2
Adjusting the pulser coil air gap ................................................. 7-2
Checking the valve clearance .................................................... 7-2
Flywheel magnet
Removing the flywheel magnet .................................................. 7-5
Installing the flywheel magnet .................................................... 7-6
Wiring harness
Removing the control cable, hose and wire lead........................ 7-9
Install the wire lead, hose, and cable ....................................... 7-10
Power unit assembly
Removing the power unit.......................................................... 7-14
Installing the power unit............................................................ 7-14
Starter motor
Throttle link and throttle cam
Timing belt
Removing the timing belt and sprocket .................................... 7-19
Checking the timing belt and sprocket ..................................... 7-20
Installing the sprocket and timing belt ...................................... 7-20
Exhaust cover
Removing the exhaust cover .................................................... 7-24
Checking the exhaust cover ..................................................... 7-24
Checking the exhaust cover anode .......................................... 7-24
Installing the exhaust cover ...................................................... 7-24
Cylinder head
Removing the cylinder head ..................................................... 7-28
Installing the cylinder head ....................................................... 7-28
Power unit
......................................................................... 7-4
............................................................................ 7-7
............................................................... 7-13
.............................................................................. 7-15
.................................................................................. 7-18
............................................................................ 7-23
............................................................................. 7-26
....................................... 7-1
................................................ 7-17