Yamaha F200B - Tech Fea;Tech Fea

TECH
FEA
2
Technical features and description
Electronic control system ................................................. 2-1
Engine control system component ............................................. 2-2
Actuator, sensor, and switch ...................................................... 2-3
Electronic fuel injection control................................................... 2-4
Digital ignition control ................................................................. 2-5
VCT control ................................................................................ 2-6
Knock control.............................................................................. 2-7
Over-rev control and alert control............................................... 2-8
ETV control................................................................................. 2-9
Fail-safe control........................................................................ 2-10
Power unit system ........................................................... 2-11
Shimless valve lifter.................................................................. 2-11
Fuel system ...................................................................... 2-12
Fuel diagram ............................................................................ 2-12
Blowby gas reburning system .................................................. 2-14
Vapor gas treatment................................................................. 2-15
Lubrication system .......................................................... 2-16
Lubrication diagram.................................................................. 2-16
Cooling system ................................................................ 2-17
Cooling diagram ....................................................................... 2-17
Intake and exhaust system ............................................. 2-21
Intake and exhaust diagram ..................................................... 2-21
Lower unit ......................................................................... 2-22
Drive shaft spring (F250G and FL250G) .................................. 2-22
Propeller damper cooling (F250G and FL250G) ...................... 2-23