Honda CRF450R
maintenance
51 hp, 449 cc, 243 lbs2013 - 2016
Engine
Max power51 hp (@8 500 RPM)
Max torque34 lb ft (@6 500 RPM)
Displacement449 cc
LayoutSOHC Single
Valves4
Redline10 750 RPM
Idling speed2 000 RPM
ManagementFuel Injection
Compression12.50:1
Bore x Stroke96.0 mm x 62.1 mm
Oil capacity0.55 quart
Oil typePRO Honda GN4 4-stroke
Spark plug typeNGK SILMAR9A-9S
CoolingLiquid
Weight to power4.76 lbs/hp
Power to weight525 hp/2500lbs
Battery type-
Brakes
Front brakesDisc
Front caliper2 pistons
Front brake diameter240 mm
Rear brakesDisc
Rear caliper1 piston
Rear brake diameter240 mm
Brake fluidDOT4
Tires
Front tire80/100 R21
Pressure14.50 PSI
Rear tire120/80 R19
Pressure14.50 PSI
Stock tiresDunlop MX51