Starting The Engine - Yamaha YZF R1 2021 Owner's Manual

Operation and important riding points

Starting the engine

The ignition circuit cut-off system will
enable starting when:
 the transmission is in the neutral
position or
 the transmission is in gear, the
sidestand is up, and the clutch le-
ver is pulled.
To start the engine
1. Turn the main switch on and set
the engine stop switch to the run
position.
7
2. Confirm the indicator and warning
light(s) come on for a few sec-
onds, and then go off. (See page
5-5.)
TIP
 Do not start the engine if the en-
gine trouble warning light remains
on.
 The oil pressure and coolant tem-
perature warning light should
come on and stay on until the en-
gine is started.
 The ABS warning light should
EAU86671
come on and stay on until the ve-
hicle reaches a speed of 10 km/h
(6 mi/h).
NOTICE
If a warning or indicator light does
not work as described above, have a
Yamaha dealer check the vehicle.
3. Shift the transmission into the
neutral position.
4. Start the engine by pushing the
start switch.
5. Release the start switch when the
engine starts, or after 5 seconds.
Wait 10 seconds before pressing
the switch again to allow battery
voltage to restore.
NOTICE
For maximum engine life, never ac-
celerate hard when the engine is
cold!
TIP
This model is equipped with:
 an
ECA24110
 an engine auto-stop system. The
ECA11043
7-2
inertial measurement
(IMU). This unit stops the engine in
case of a turnover. Turn the main
switch off and then on before at-
tempting to restart the engine.
Failing to do so will prevent the en-
gine from starting even though the
engine will crank when pushing
the start switch.
engine stops automatically if left
idling for 20 minutes. If the engine
stops, simply push the start
switch to restart the engine.
EAU68221
unit