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Honda CRF450R 2020

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Motocross / Racing

2020 Honda CRF450R

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.

Spec20192020Changed
MSRP$9,299$9,399New
Displacement450ccSame
Curb weight247 lbSame
Seat height37.8 inSame
Front travel12 inSame
Rear travel12.4 inSame
Fuel1.66 galSame
Gearbox5-speedSame
Front tire80/100-21 51M Dunlop MX3SFSame
Rear tire120/80-19 63M Dunlop MX3SSame

2020 Honda CRF450R photos

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Honda CRF450R FAQ

  1. How much power does the 2020 Honda CRF450R make?

    It measured 53.3 hp on a dyno.

  2. 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.

  3. What is the seat height of the 2020 Honda CRF450R?

    The seat height is 37.8 inches.

  4. How much does the 2020 Honda CRF450R weigh?

    Its curb weight is 247 lb.

  5. 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.

  6. How much fuel does the 2020 Honda CRF450R hold?

    Its fuel capacity is 1.66 gallons.

  7. 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).

  8. Is the 2020 Honda CRF450R street legal?

    No, it is not street legal in the US.

  9. How much did the 2020 Honda CRF450R cost new?

    The MSRP was $9,399, plus a $380 destination charge.

  10. What size tires does the 2020 Honda CRF450R use?

    80/100-21 front and 120/80-19 rear.

  11. What spark plug does the 2020 Honda CRF450R take?

    NGK SILMAR9A-9S, gapped 0.031 – 0.035 in (0.8 – 0.9 mm).

  12. 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.

  13. 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 .