Honda CRF450R 2019
Motocross / Racing
450cc
4-stroke
53.8hp
Measured power
247lb
Curb weight
37.8in
Seat height
12in
Front travel
2019 Honda CRF450R overview
The 2019 Honda CRF450R is a 450cc, liquid-cooled four-stroke motocross bike with fuel injection, a SOHC four-valve single-cylinder engine, electric start and a five-speed transmission. Its measured output is 53.8 hp on a dyno. The aluminum perimeter frame carries a fully adjustable 49mm Showa inverted fork with 12.01 inches of travel and a Pro-Link Showa rear shock with 12.36 inches of travel. HRC Launch Control and a handlebar map switch are standard equipment.
For 2019, updates include a new combustion-chamber shape and refined oil management, a revised frame and swingarm, a lighter large-piston front brake caliper, new ECU settings, HRC launch control, a Renthal Fatbar handlebar with adjustable position, black rims and redesigned fork protectors. The CRF450R is a closed-course competition bike, not street legal in the US.
Who it's for
This bike is for experienced motocross riders and racers who want a competition-focused 450cc machine for closed-course tracks. Its high-performance four-stroke engine, adjustable Showa suspension and HRC Launch Control suit riders setting up for motos, practice sessions and racing. It is not intended for beginners seeking an easygoing trail bike or for riders who need a street-legal motorcycle.
Quick facts
- The 2019 Honda CRF450R has a 450cc fuel-injected 4-stroke engine, a 5-speed gearbox and electric start.
- The 2019 CRF450R weighs 247 lb ready to ride and has a 37.8 in seat height.
- The 2019 CRF450R runs 80/100-21 front and 120/80-19 rear tires.
- The 2019 CRF450R takes 1.1 US qt (1.0 L) of 10W-30 engine oil.
- The 2019 CRF450R lists at $9,299 (US MSRP). It is not street legal in the US.
2019 Honda CRF450R specifications
Engine
- Displacement
- 450cc
- Stroke
- 4-stroke
- Fuel system
- Fuel injection
- Bore × stroke
- 96 × 62.1 mm
- Compression
- 13.5:1
- Power (measured)
- 53.8 hp at the rear wheel
- Cooling
- Liquid
- Configuration
- Single-cylinder
- Valve train
- SOHC
- Valves
- 4
- Oil chamber
- Dual
- Engine oil
- 1.1 US qt (1.0 L)
- Oil type
- 10W-30
- Coolant
- 1.1 US qt (1.07 L)
Clutch
- Type
- Wet multiplate
- Actuation
- Cable
- Assist
- None (standard clutch)
Drivetrain
- Starting
- Electric
- Transmission
- 5-speed
- Chain size
- 520
- Chain links
- 114
- Front sprocket
- 13T
- Rear sprocket
- 49T
Dimensions
- Seat height
- 37.8″
- Ground clearance
- 12.9″
- Wheelbase
- 58.3″
- Width
- 32.6″
- Height
- 49.6″
- Length
- 85.9″
- Curb weight
- 247 lb
- Fuel capacity
- 1.66 gal
Price & warranty
- Colors
- Red
Equipment
- HRC Launch Control
- Standard
Frame & steering
- Frame material
- Aluminum
- Architecture
- Perimeter
- Rake
- 27.4°
- Trail
- 4.6″
Suspension
- Front
- 49mm fully adjustable leading-axle inverted telescopic Showa coil-spring fork
- Front travel
- 12″
- Rear
- Pro-Link system; fully adjustable Showa single shock
- Rear travel
- 12.4″
Wheels & tires
- Front wheel
- 21″
- Rear wheel
- 19″
- Front tire
- 80/100-21 51M Dunlop MX3SF
- Rear tire
- 120/80-19 63M Dunlop MX3S
Brakes
- Front disc
- 260 mm
- Rear disc
- 240 mm
Stock features
- Map switch
- Yes
- Skid plate
- Yes
- Street legal (US)
- No
Battery / electrical
- Battery
- Yes
- OEM battery
- HY85S
- Chemistry
- Lithium
- Voltage
- 12V
- Capacity
- 2 Ah
2019 Honda CRF450R maintenance
From the maker's manuals. Tap a row to see the manual page.
Service intervals
- Change engine oil (first time)
- After the first break-in ride
- Replace oil filter (first time)
- After the first break-in ride
- Clean air filter
- Every race or about 2.5 hours
- Clean air filter
- Every moto
- Inspect spark plug
- Every race or about 2.5 hours
Spark plug
- Spark plug
- NGK SILMAR9A-9S
- Plug gap
- 0.031 – 0.035 in (0.8 – 0.9 mm)
- Spark plug (optional)
- NGK SILMAR10A-9S
Torque specs
- Oil drain bolt
- 13 ft‑lb (18 N·m, 1.8 kgf·m)
- Oil filter cover bolts
- 7.4 ft‑lb (10 N·m, 1.0 kgf·m)
- Front axle nut
- 65 ft‑lb (88 N·m, 9.0 kgf·m)
- Front axle pinch bolts
- 15 ft‑lb (20 N·m, 2.0 kgf·m)
- Rear axle nut
- 94 ft‑lb (128 N·m, 13.1 kgf·m)
- Upper triple clamp bolts
- 16 ft‑lb (22 N·m, 2.2 kgf·m)
- Lower triple clamp bolts
- 15 ft‑lb (20 N·m, 2.0 kgf·m)
- Steering stem nut
- 80 ft‑lb (108 N·m, 11.0 kgf·m)
- Handlebar clamp bolts
- 16 ft‑lb (22 N·m, 2.2 kgf·m)
- Front brake caliper mounting bolts
- 22 ft‑lb (30 N·m, 3.1 kgf·m)
- Front brake disc nuts
- 12 ft‑lb (16 N·m, 1.6 kgf·m)
- Rear brake disc nuts
- 12 ft‑lb (16 N·m, 1.6 kgf·m)
- Rear sprocket nuts
- 24 ft‑lb (32 N·m, 3.3 kgf·m)
- Front sprocket bolt
- 23 ft‑lb (31 N·m, 3.2 kgf·m)
- Chain adjuster locknut
- 20 ft‑lb (27 N·m, 2.8 kgf·m)
- Shock absorber mounting bolts
- 32 ft‑lb (44 N·m, 4.5 kgf·m)
- Coolant drain bolt
- 7.4 ft‑lb (10 N·m, 1.0 kgf·m)
2019 Honda CRF450R vs 2018
Of the specs below, the 2019 Honda CRF450R has a $150 higher MSRP and is 1 lb lighter, compared with the 2018 model.
| Spec | 2018 | 2019 | Changed |
|---|---|---|---|
| MSRP | $9,149 | $9,299 | New |
| Displacement | 450cc | Same | |
| Curb weight | 248 lb | 247 lb | New |
| Seat height | 37.8 in | Same | |
| Front travel | 12 in | Same | |
| Rear travel | 12.4 in | Same | |
| Fuel | 1.66 gal | Same | |
| Gearbox | 5-speed | Same | |
| Front tire | 80/100-21 51M Dunlop MX3SF | Same | |
| Rear tire | 120/80-19 63M Dunlop MX3S | Same |
2019 Honda CRF450R photos
Honda CRF450R FAQ
How much power does the 2019 Honda CRF450R make?
The 2019 Honda CRF450R measured 53.8 hp on a dyno.
What engine does the 2019 Honda CRF450R have?
It has a 450cc liquid-cooled, fuel-injected four-stroke single-cylinder engine with SOHC and four valves.
What is the seat height of the 2019 Honda CRF450R?
The seat height is 37.8 inches.
How much does the 2019 Honda CRF450R weigh?
Its curb weight is 247 lb.
How much suspension travel does the 2019 Honda CRF450R have?
It has 12.01 inches of front travel and 12.36 inches of rear travel.
What is the fuel capacity of the 2019 Honda CRF450R?
The fuel capacity is 1.66 gal.
What engine oil does the 2019 Honda CRF450R use?
It uses 10W-30 engine oil, with a capacity of 1.1 US qt (1.0 L).
Is the 2019 Honda CRF450R street legal?
No. The 2019 Honda CRF450R is not street legal in the US.
How much did the 2019 Honda CRF450R cost new?
Its MSRP was $9,299.
What size tires does the 2019 Honda CRF450R use?
80/100-21 front and 120/80-19 rear.
What spark plug does the 2019 Honda CRF450R take?
NGK SILMAR9A-9S, gapped 0.031 – 0.035 in (0.8 – 0.9 mm).
What chain and sprockets does the 2019 Honda CRF450R use?
A 520 chain with 114 links on a 13-tooth front and 49-tooth rear sprocket.
Is the 2019 Honda CRF450R different from the 2018 model?
Among the main specs, the 2019 Honda CRF450R has a $150 higher MSRP and is 1 lb lighter, compared with the 2018 model.
Other Honda CRF450R model years
Specs from Honda's owner's manual, Honda's website and published spec sheets. Updated .