16 TUNING THE ENGINE
122
F01521-10
–
Run the engine until warm.
The cold start button is deactivated
–
The cold start but-
ton is in its basic position. (
Danger
Danger of poisoning
Exhaust gases are toxic and inhal-
ing them may result in unconsciousness and death.
–
Always make sure there is sufficient ventilation
when running the engine.
–
Use effective exhaust extraction when starting or
running the engine in an enclosed space.
–
Set the idle speed by turning idle speed adjusting screw
1
.
Guideline
Idle speed
2,250 … 2,350 rpm
Tachometer (45129075000)
Info
Turning counterclockwise lowers the idle speed.
Turning clockwise raises the idle speed.
16.6
Teaching the throttle valve position
Info
If the control unit detects that the throttle valve position at idle speed needs to be retaught, then the mal-
function indicator lamp flashes 2x per second.
H02263-10
Danger
Danger of poisoning
Exhaust gases are toxic and inhal-
ing them may result in unconsciousness and death.
–
Always make sure there is sufficient ventilation
when running the engine.
–
Use effective exhaust extraction when starting or
running the engine in an enclosed space.
–
Allow the vehicle to run at idle speed.
The malfunction indicator lamp stops flashing once teach-
ing is completed.
Info
If the engine becomes too hot, perform a cool-down
ride at medium revs.
Then do not switch off the engine after this, but leave it
running at idle speed until teaching is completed.
Summary of Contents for 450 SX-F 2019
Page 2: ......
