Honda CRF450R 2020
Motocross / Racing

450cc
4-stroke
53.3hp
Measured power
247lb
Curb weight
37.8in
Seat height
12in
Front travel
2020 Honda CRF450R overview
The 2020 Honda CRF450R is a motocross and racing bike powered by a liquid-cooled, fuel-injected 450cc four-stroke single with a SOHC four-valve head and five-speed transmission. Its measured output is 53.3 hp on a dyno. The aluminum perimeter frame is paired with a 49mm inverted Showa fork offering 12.01 inches of travel and a Pro-Link Showa rear shock with 12.36 inches of travel. Standard equipment includes HRC Launch Control, a handlebar map switch and a skid plate.
Electric start, no kickstarter, and the 37.8-inch seat height suit its competition-focused layout. The CRF450R weighs 247 lb, has 12.9 inches of ground clearance and carries 1.66 gallons of fuel. It is not street legal in the US.
Who it's for
This bike is for motocross racers and competitive riders who want a full-size 450cc machine for track riding. Its five-speed transmission, adjustable Showa suspension, map switch and HRC Launch Control are aimed at riders tuning their setup for racing, while its 37.8-inch seat height and 247 lb curb weight make it a substantial competition bike. It is not for riders looking for a street-legal motorcycle.
Quick facts
- The 2020 Honda CRF450R has a 450cc fuel-injected 4-stroke engine, a 5-speed gearbox and electric start.
- The 2020 CRF450R weighs 247 lb ready to ride and has a 37.8 in seat height.
- The 2020 CRF450R runs 80/100-21 front and 120/80-19 rear tires.
- The 2020 CRF450R takes 1.1 US qt (1.0 L) of 10W-30 engine oil.
- The 2020 CRF450R lists at $9,399 (US MSRP). It is not street legal in the US.
2020 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)
- 53.3 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
- Destination charge
- $380
- Colors
- Red
- Warranty
- Sold “as is” with no warranties.
Equipment
- HRC Launch Control
- Standard
Frame & steering
- Frame material
- Aluminum
- Architecture
- Perimeter
- Rake
- 27.4°
- Trail
- 4.6″
Suspension
- Front
- 49mm inverted Showa fork with rebound and compression damping adjustability
- Front travel
- 12″
- Rear
- Pro-Link Showa single shock with adjustable spring preload, rebound and compression damping adjustability
- 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
2020 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)
2020 Honda CRF450R vs 2019
Of the specs below, only the price changed: it has a $100 higher MSRP than the 2019 model.
| Spec | 2019 | 2020 | Changed |
|---|---|---|---|
| MSRP | $9,299 | $9,399 | New |
| Displacement | 450cc | Same | |
| Curb weight | 247 lb | Same | |
| 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 |
2020 Honda CRF450R photos
Honda CRF450R FAQ
How much power does the 2020 Honda CRF450R make?
It measured 53.3 hp on a dyno.
What engine is in the 2020 Honda CRF450R?
It has a liquid-cooled, fuel-injected 450cc four-stroke single-cylinder engine with SOHC and four valves.
What is the seat height of the 2020 Honda CRF450R?
The seat height is 37.8 inches.
How much does the 2020 Honda CRF450R weigh?
Its curb weight is 247 lb.
How much suspension travel does the 2020 Honda CRF450R have?
It has 12.01 inches of front travel and 12.36 inches of rear travel.
How much fuel does the 2020 Honda CRF450R hold?
Its fuel capacity is 1.66 gallons.
What oil does the 2020 Honda CRF450R use?
It uses 10W-30 engine oil, with a capacity of 1.1 US qt (1.0 L).
Is the 2020 Honda CRF450R street legal?
No, it is not street legal in the US.
How much did the 2020 Honda CRF450R cost new?
The MSRP was $9,399, plus a $380 destination charge.
What size tires does the 2020 Honda CRF450R use?
80/100-21 front and 120/80-19 rear.
What spark plug does the 2020 Honda CRF450R take?
NGK SILMAR9A-9S, gapped 0.031 – 0.035 in (0.8 – 0.9 mm).
What chain and sprockets does the 2020 Honda CRF450R use?
A 520 chain with 114 links on a 13-tooth front and 49-tooth rear sprocket.
Is the 2020 Honda CRF450R different from the 2019 model?
Among the main specs, only the price changed: it has a $100 higher MSRP than the 2019 model.
Other Honda CRF450R model years
Specs from Honda's owner's manual, Honda's website and published spec sheets. Updated .