2009 Yamaha F40 Outboard Service Manual, Page 179Get this manual
Power unit
Power unit (check and adjustment) 7-1
Checking the compression pressure 7-1 Checking the oil pressure 7-1 Checking the pulser coil air gap 7-1 Adjusting the pulser coil air gap 7-2 Checking the valve clearance 7-2 Adjusting the valve clearance 7-4
Power unit assembly 7-5
Removing the power unit 7-7 Installing the power unit 7-9
Flywheel magnet and timing belt 7-12
Removing the flywheel magnet 7-14 Removing the stator assembly 7-14 Removing the timing belt and sprocket 7-15 Checking the timing belt and sprocket 7-15 Installing the sprocket and timing belt 7-16 Installing the stator assembly 7-17 Installing the flywheel magnet 7-17