Hrc-Launch Control System - Honda CRF450RX 2020 Owner's Manual & Competition Handbook

HRC-Launch Control System

HRC-Launch Control System

The HRC-Launch Control System reduces slip and
assists for an effective start by temporarily
decreasing the rev limit and Torque Control
operation when starting.
You can select the level while the system is
operating according to your skill and track
conditions.
To change the level
1. Start the engine and wait more than 2 seconds.
2. Close the throttle completely, press and hold
the start button (1) while pulling the clutch
lever in until the launch control system
indicator (2) blinks (purple).
– The system goes into standby, and the
launch control system indicator indicates
the selected level by blinking (purple).
– From standby, the control to decrease the rev
limit starts.
– The system may become disabled if you
snap the throttle excessively.
– If the idle speed is low, the system may not
go into standby. Set the idle speed to
standard rpm, see page 72.
– To disable the system, quickly press the start
button. The launch control system indicator
stops blinking.
142
Adjustments for Competition
(1)
(1) start button
(2) launch control system indicator (purple)
3. Press and hold the start button. The level
changes every time you press and hold.
– The level selected last is saved.
– The factory setting is level 2.
Level 1
Level 2
Level 3
: Pressing and holding the start button while
the launch control system is in standby
Rev limit
during Rear
Level
launch wheel slip
control
1 High High
2 Middle Middle
3 Low Low
4. To continue using the system, refer to step 2 in
To operate the system.
To disable the system, quickly press the start
button. The launch control system indicator
stops blinking and the system is disabled.
To operate the system
1. Perform steps 1 and 2 in To change the level.
2. Shift into 1st or 2nd gear.
3. When launching, open the throttle halfway or
(2)
more. The system operates.
– The reduced rev limit and engine torque is
controlled and will gradually return to
normal in a few seconds. Once the rev limit
returns to normal, the system is disabled.
– The launch control system indicator comes
on (purple) while the system is operating.
– If you open the throttle halfway or more
before starting, control system stops before
starting and there is no effect.
– If you close the throttle immediately, the
system may not operate.
– When the launch control system operates,
these following conditions will disable
launch control:
• Vehicle is in 3rd gear
• The throttle completely closed
4. Make sure that the launch control system
indicator is off. If it is not off, the system is not
disabled. Quickly press the start button to
disable the system.
Number of launch
control system
indicator blinks
1
2
3