Honda CRF450R 2017 User Manual

Servicing Your Honda 103
Brakes
Front Brake Fluid Level Check
With the motorcycle in an upright position, check
the fluid level.
It should be above the LWR mark (1). If the level
is at or below the LWR mark, check the brake pads
for wear (page 105).
Worn brake pads should be replaced. If the pads
are not worn, have your brake system inspected for
leaks.
If the pulling distance for the front brake lever
feels excessive, there is probably air in the brake
system and it must be bled. Refer to an official
Honda Service Manual or see your dealer for brake
bleeding.
Honda recommends using Honda DOT 4 Brake
Fluid from a sealed container, or an equivalent.
Other Checks:
Make sure there are no fluid leaks. Check for
deterioration or cracks in the hoses and fittings.
Rear Brake Fluid Level Check
With the motorcycle in an upright position, check
the fluid level.
It should be above the LOWER mark (1). If the
level is at or below the LOWER mark, check the
brake pads for wear (page 105).
Worn brake pads should be replaced. If the pads
are not worn, have your brake system inspected for
leaks.
If the travel for the rear brake pedal feels
excessive, there is probably air in the brake system
and it must be bled. Refer to an official Honda
Service Manual or see your dealer for brake
bleeding.
Honda recommends using Honda DOT 4 Brake
Fluid from a sealed container, or an equivalent.
Other Checks:
Make sure there are no fluid leaks. Check for
deterioration or cracks in the hoses and fittings.
Fluid Level Inspection
(1) LWR mark
(1)
(1) LOWER mark
(1)
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Honda CRF450R 2017 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	13.5:1
Induction	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Transmission	Close-ratio five-speed
Final Drive	#520 Chain; 13T/49T
Rear Suspension	Pro-Link Showa single shock with spring preload, rebound and compression damping adjustability; 12.4 inches travel
Front Brake	Single 260mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-19
Trail	116mm (4.6 inches)
Wheelbase	58.3 inches
Seat Height	37.8 inches
Valve Train	Unicam, 4-valve
Ignition	Full transistorized
Curb Weight	243 pounds