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Honda CRF450R 2019 User Manual

Honda CRF450R 2019
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Basic Operating Instructions
20 Basic Operating Instructions
Basic Operating Instructions
Before riding your CRF for the first time, please
review the Important Safety Precautions
beginning on page 2 and the previous section,
titled Before Riding.
For your safety, avoid starting or operating the
engine in an enclosed area such as a garage.
Your CRF’s exhaust contains poisonous carbon
monoxide gas which can collect rapidly in an
enclosed area and cause illness or death.
The side stand (1) is used to support your CRF
while parked (page 23). To operate, push the side
stand down. Slowly lean your CRF to the left until
its weight rests on the side stand. Turn the
handlebar fully to the left.
Before riding, raise the side stand.
When the Honda selectable torque control (Torque
Control) detects rear wheel spin during
acceleration, the system will limit the amount of
torque applied to the rear wheel based on the
Torque Control level selected.
Rear wheel spin during acceleration is reduced at
the higher Torque Control level setting.
Select a level that is appropriate for your skill and
riding conditions.
Torque Control does not work during deceleration
and will not prevent the rear wheel from skidding
due to engine braking.
Do not close the throttle suddenly, especially when
riding on slippery surfaces.
Torque Control may not compensate for rough
track conditions or rapid throttle operation.
Always consider track and weather conditions, as
well as your skills and condition, when applying
throttle.
Always use the recommended tires and sprockets
to ensure correct Torque Control operation.
Safe Riding Precautions
WARNING
Running the engine of your vehicle while
in an enclosed or even partially enclosed
area can cause a rapid build-up of toxic
carbon monoxide gas.
Breathing this colourless, odorless gas
can quickly cause unconsciousness and
lead to death.
Only run your vehicle's engine when it is
located in a well ventilated area outdoors.
Side Stand (CRF450RX)
(1) side stand
(1)
Honda Selectable Torque Control
3RMKE630_CRF450RX-L.book Page 20 Friday, April 5, 2019 5:55 PM

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Honda CRF450R 2019 Specifications

General IconGeneral
Engine Type449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke96.0mm x 62.1mm
Compression Ratio13.5:1
InductionProgrammed Fuel Injection (PGM-FI), 46mm throttle body
IgnitionFull transistorized ignition
Final Drive#520 chain; 13T/49T
Front BrakeSingle 260mm disc with twin-piston caliper
Rear BrakeSingle 240mm disc
Front Tire80/100-21
Rear Tire120/80-19
Trail116mm (4.6 inches)
Wheelbase58.3 inches
Seat Height37.8 inches
Ground Clearance13.0 inches
Valve TrainUnicam
Transmission5-speed
Rear Suspension12.4 inches travel
Curb Weight247 pounds

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