Honda CRF450 (CRF450R, CRF450X, CRF450RX): review, history, specs


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Class: CRF450R – motocross; CRF450X/RX – enduro

Production: 2002+ (November 2001)

Predecessor: Honda XR400, Honda CR500

Models
Honda CRF450R

(nov. 2001) 2002-2008

(Europe, North America, Australia, Japan)

Honda CRF450R

(sep. 2008) 2009-2011

(Europe, North America, Australia, Japan)

Honda CRF450R

2012-2016

(Europe, North America, Australia, Japan)

Honda CRF450R

(sep. 2016) 2017+

(Europe, North America, Australia, Japan)

Honda CRF450R (2002-2008)
Honda CRF450R (2009-2011)
Honda CRF450R (2012-2016)
Honda CRF450R (2017+)
Models
Honda CRF450X

2005-2016

(Europe, North America, Australia)

Honda CRF450RX

(sep. 2016) 2017+

(Europe, North America, Australia, Japan)

Honda CRF450X (2005-2016)
Honda CRF450RX (2017+)

History

History
Year Country Name / Frame / Engine
2002 Europe, North America, Australia, Japan Name: Honda CRF450R

Code: CRF450R2

2003 Europe, North America, Australia, Japan Name: Honda CRF450R

Code: CRF450R3

2004 Europe, North America, Australia, Japan Name: Honda CRF450R

Code: CRF450R4

2005 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450R5; CRF450X5

2006 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450R6; CRF450X6

2007 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450R7; CRF450X7

2008 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450R8; CRF450X8

2009 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450R9; CRF450X9

2010 Europe, North America, Australia, Japan Name: Honda CRF450R

Code: CRF450RA

2011 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450RB; CRF450XB

2012 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450RC; CRF450XC

2013 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450RD; CRF450XD

2014 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450RE; CRF450XE

2015 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450RF; CRF450XF

2016 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X

Code: CRF450RG; CRF450XG

2017 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450X; Honda CRF450RX

Code: CRF450RH; CRF450XH; CRF450RXH

2018 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450RX

Code: CRF450RJ; CRF450RXJ

2019 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450RX

Code: CRF450RK; CRF450RXK

2020 Europe, North America, Australia, Japan Name: Honda CRF450R; Honda CRF450RX

Code: CRF450RL; CRF450RXL

Specifications

Honda CRF450 (CRF450R, CRF450X, CRF450RX): specs.

Specifications
DIMENSIONS Overall length 2186 mm / 86,1 in – CRF450R (2002-2008)

2191 mm / 86,2 in – CRF450R (2009-2016)

2183 mm / 85,9 in – CRF450R (2017+)

2180 mm / 85,8 in – CRF450X

2175 mm / 85,6 in – CRF450RX

Overall width 825 mm / 32,5 in – CRF450R (2002-2008)

827 mm / 32,6 in – CRF450R (2009+), CRF450RX

821 mm / 32,3 in – CRF450X

Overall height 1257 mm / 49,5 in – CRF450R (2002-2008)

1273 mm / 50,1 in – CRF450R (2009-2011), CRF450X

1271 mm / 50,0 in – CRF450R (2012-2016)

1274 mm / 50,2 in – CRF450R (2017+), CRF450RX

Seat height 953 mm / 37,5 in – CRF450R (2002-2008, 2012+)

954 mm / 37,6 in – CRF450R (2009-2011)

960 mm / 37,8 in – CRF450R (2017+)

963 mm / 37,9 in – CRF450X

959 mm / 37,7 in – CRF450RX

Wheelbase 1486 mm / 58,5 in – CRF450R (2002-2008)

1491 mm / 58,7 in – CRF450R (2009-2011)

1492 mm / 58,7 in – CRF450R (2012-2016)

1482 mm / 58,3 in – CRF450R (2017+)

1483 mm / 58,4 in – CRF450X

1477 mm / 58,1 in – CRF450RX

Ground clearance 337 mm / 13,3 in – CRF450R (2002-2008)

332 mm / 13,1 in – CRF450R (2009-2011)

330 mm / 13,0 in – CRF450R (2012-2016)

328 mm / 12,9 in – CRF450R (2017+), CRF450RX

345 mm / 13,6 in – CRF450X

Dry weight 102 kg / 225 lbs – CRF450R (2002-2008)

113 kg / 249 lbs – CRF450X

Curb (wet) weight 106,9 kg / 235 lbs – CRF450R (2009-2011)

111,0 kg / 245 lbs – CRF450R (2012-2016)

110,0 kg / 242 lbs – CRF450R (2017+)

118,0 kg / 260 lbs – CRF450RX

FRAME Type Semi double-cradle (aluminum)
Front suspension, travel 47 mm inverted telescopic fork (fully adjustable), 315 mm / 12,4 in – CRF450R (2002-2008), CRF450X

48 mm inverted telescopic fork (fully adjustable), 310 mm / 12,2 in – CRF450R (2009-2016)

49 mm inverted telescopic fork (fully adjustable), 268 mm / 10,5 in – CRF450R (2017+), CRF450RX

Rear suspension, travel Swingarm Pro-link with mono-shock (fully adjustable), 314 mm / 12,3 in – CRF450R (2002-2008)

Swingarm Pro-link with mono-shock (fully adjustable), 320 mm / 12,6 in – CRF450R (2009-2011)

Swingarm Pro-link with mono-shock (fully adjustable), 315 mm / 12,4 in – CRF450R (2012-2016)

Swingarm Pro-link with mono-shock (fully adjustable), 314 mm / 12,3 in – CRF450R (2017+)

Swingarm Pro-link with mono-shock (fully adjustable), 312 mm / 12,3 in – CRF450X, CRF450RX

Front tire size 80/100-21 51M

90/90-21 54M – CRF450RX

Rear tire size 120/80-19 63M – CRF450R

110/100-18 64M – CRF450X

120/90-18 65M – CRF450RX

Front brake Single disc, 2-piston caliper
Rear brake Single disc, 1-piston caliper
Fuel capacity 7,5 l / 1,98 US gal – CRF450R (2002-2008)

5,7 l / 1,5 US gal – CRF450R (2009-2011)

6,3 l / 1,7 US gal – CRF450R (2012+)

8,6 l / 2,27 US gal – CRF450X (2005-2007)

7,2 l / 1,90 US gal – CRF450X (after 2007)

8,5 l / 2,24 US gal – CRF450RX

Trail 109 mm / 4,29 in – CRF450R (2002-2008)

114 mm / 4,49 in – CRF450R (2009-2011)

116 mm / 4,56 in – CRF450R (2012+), CRF450RX

110 mm / 4,3 in – CRF450X (2005-2007)

114,7 mm / 4,52 in – CRF450X (after 2007)

Fuel economy
ENGINE Type Water cooled 4-stroke
Cylinder arrangement Single cylinder
Bore & Stroke 96,0 x 62,1 mm
Displacement 449,4 cm³ (27,42 cu-in)
Compression ratio 11.5:1 – CRF450R (2002-2008)

12.0:1 – CRF450R (2009-2011), CRF450X

12.5:1 – CRF450R (2012-2016)

13.5:1 – CRF450R (2017+), CRF450RX

Valve train Chain driven SOHC, 4 valves
Max. power 55,7 hp (41,0 kW) / 9000 rpm – CRF450R (2002-2008)

56,4 hp (41,5 kW) / 8500 rpm – CRF450R (2009-2011)

60 hp (44,1 kW) – CRF450R (2017+), CRF450RX

45,0 hp (33,1 kW) / 7500 rpm – CRF450X

HRC Launch Control, Engine Mode Select Button (EMSB) - CRF450R (2017+)

Max. torque 50,2 Nm (5,12 kg*m) / 6500 rpm – CRF450R (2002-2008)

50,3 Nm (5,13 kg*m) / 7000 rpm – CRF450R (2009-2011)

43,0 Nm (4,4 kg*m) / 7000 rpm – CRF450X

0 to 100 km/h
Top speed
CARBURETION SYSTEM Type Carburetor, 1x Keihin FCR 40 mm – CRF450R (2002-2008), CRF450X

Fuel Injection (PGM-FI), 1x 50 mm – CRF450R (2009-2016)

Fuel Injection (PGM-FI), 1x 46 mm – CRF450R (2017+), CRF450RX

ID
DRIVE TRAIN Clutch Wet, multi-plate, cable operated
Transmission 5-speed constant mesh
Final drive Chain
Primary reduction 2.739 – CRF450R (2002-2016), CRF450X

2.357 – CRF450R (2017+), CRF450RX

Final reduction 3.692 – CRF450R (2002-2016)

3.923 – CRF450X

3.769 – CRF450R (2017+)

3.846 – CRF450RX

Gear ratio

I

II

III

IV

V


1.800 – R (02-16); 2.133 – R (17+), RX; 2.230 – X

1.470 – R (02-16); 1.706 – R (17+), RX; 1.625 – X

1.235 – R (02-16), X; 1.421 – R (17+), RX

1.050 – R (02-16); 1.211 – R (17+), RX; 1.000 – X

0.909 – R (02-16); 1.043 – R (17+), RX; 0.826 – X

ELECTRICAL Ignition CDI – CRF450R (2002-2008), CRF450X

Transistorized – CRF450R (2009-2016)

DC-CDI – CRF450R (2017+), CRF450RX

Alternator
Battery capacity

Images

Honda CRF450 (CRF450R, CRF450X, CRF450RX): images, gallery.

Honda CRF450R
Honda CRF450X
Honda CRF450RX

Videos

Honda CRF450 (CRF450R, CRF450X, CRF450RX): video.

Honda CRF450RX

Manuals

Honda CRF450 (CRF450R, CRF450X, CRF450RX): manuals, parts, microfiches.