Honda CRF 450X Specs

2006 - 2014 • 4 variants

The Honda CRF 450X is an enduro motorcycle produced from 2006 to 2014 across 4 variants. It is powered by a 35mm intake valve, 30mm exhaust valve displacing 449.0 cc. Peak power output is 44.8 hp. Peak torque is 41.3 Nm.

About the Honda CRF 450X

Documented here are the full technical specifications for the Honda CRF 450X, a Cross / motocross motorcycle with a production run from 2005 to 2023. Specification data includes engine type and displacement, maximum power and torque output, transmission details, frame construction, suspension travel front and rear, brake types and rotor dimensions, tyre sizes, and overall weight and dimension figures. Select a year above to view the complete spec sheet for that model year.

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Honda CRF 450X by Year

2014 Honda CRF 450X View specs →

2009 Honda CRF 450X View specs →

2007 Honda CRF 450X View specs →

2006 Honda CRF 450X View specs →

Spec Evolution

How key specs changed across production years.

Specification	2005	2006	2007	2008	2009	2010	2011	2012	2014	2016	2017	2018	2019	2020	2021	2022	2023
Bore x Stroke (mm)	96.0 x 62.0 mm	96.0 x 62.0 mm	96.0 x 62.0 mm	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.0 mm	96.0 x 62.0 mm	96.0 x 62.0 mm	96.0 x 62.0 mm	96.0 x 62.0 mm	96.0 x 62.0 mm	96.0 x 62.0 mm	96.0 x 62.0 mm	96.0 x 62.0 mm	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.1 mm
Comments	-	-	-	-	-	-	-	French brand.	Model ID: CRF450X	Model ID: CRF450X.	Model ID: CRF450X.	Model ID: CRF450X.	Model ID: CRF450X.	Model ID: CRF450X.	Model ID: CRF450X.	Model ID: CRF450X.	Model ID: CRF450X.
Displacement (cc)	449.00 cc	449.00 cc	449.00 cc	449.00 cc	449.00 cc	449.00 cc	449.00 cc	449.00 cc	-	-	-	-	449.0 cc	449.0 cc	449.0 cc	449.0 cc	449.0 cc
Engine Type	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke
Fuel Control	-	SOHC	SOHC	SOHC	SOHC	SOHC	SOHC	SOHC	SOHC	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)
Ground Clearance (in.)	13.4 inches	13.7 inches ↑	13.7 inches	13.6 inches ↓	13.6 inches	13.6 inches	13.6 inches	13.6 inches	13.6 inches	13.6 inches	13.6 inches	13.6 inches	12.7 inches ↓	12.7 inches	13.1 inches ↑	13.1 inches	13.1 inches
Ground Clearance (mm)	340 mm	348 mm ↑	348 mm	345 mm ↓	345 mm	345 mm	345 mm	345 mm	345 mm	345 mm	345 mm	345 mm	323 mm ↓	323 mm	333 mm ↑	333 mm	333 mm
Frame Type	-	-	-	-	-	-	Aluminium	-	Semi-double cradle; steel tube	Semi-double cradle, aluminium twin-spar	Semi-double cradle, aluminium twin-spar	Semi-double cradle, aluminium twin-spar	Semi-double cradle, aluminium twin-spar	Semi-double cradle, aluminium twin-spar	Semi-double cradle, aluminium twin-spar	Semi-double cradle, aluminium twin-spar	Semi-double cradle, aluminium twin-spar
Seat Height	955 mm / 37.6 in.	963 mm / 37.9 in. ↑	963 mm / 37.9 in.	963 mm / 37.9 in.	963 mm / 37.9 in.	963 mm / 37.9 in.	963 mm / 37.9 in.	963 mm / 37.9 in.	963 mm / 37.9 in	963 mm / 37.9 in	963 mm / 37.9 in.	963 mm / 37.9 in.	963 mm / 37.9 in.	950 mm / 37.4 in. ↓	963 mm / 37.9 in. ↑	963 mm / 37.9 in.	963 mm / 37.9 in.
Dry Weight	99.1 kg / 218.5 lbs	113.4 kg / 250.0 lbs ↑	113.4 kg / 250.0 lbs	122 kg / 269.0 lbs ↑	-	-	-	88 kg / 194.0 lbs	-	-	-	-	-	-	-	-	-
Wheelbase	1,491 mm / 58.7 in.	1,478 mm / 58.2 in. ↓	1,478 mm / 58.2 in.	1,478 mm / 58.2 in.	1,478 mm / 58.2 in.	1,478 mm / 58.2 in.	1,478 mm / 58.2 in.	1,478 mm / 58.2 in.	1480 mm / 58.3 in ↑	1,481 mm / 58.3 in. ↓	1,481 mm / 58.3 in.	1,481 mm / 58.3 in.	1481 mm / 58.3 in. ↑	1481 mm / 58.3 in.	1491 mm / 58.7 in. ↑	1491 mm / 58.7 in.	1491 mm / 58.7 in.
Brakes - Front	Single disc. 2-piston calipers	Single disc	Single disc	Single disc	Double disc	Double disc	Double disc	Double disc	Single 255mm disc 2 piston caliper	Single 255mm disc 2 piston caliper	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.
Engine Detail	-	-	-	-	-	-	-	Unicam®, four-valve, 35mm intake valve, 30mm exhaust valve	Four stroke, single cylinder, DOHC, 4 valves ↓	Titanium Intake Valves	Titanium Intake Valves	35mm intake valve, 30mm exhaust valve	35mm intake valve, 30mm exhaust valve	35mm intake valve, 30mm exhaust valve	-	-	-
Fuel Capacity	7.19 litres / 1.90 gallons	8.59 litres / 2.27 gallons ↑	-	7.19 litres / 1.90 gallons	7.19 litres / 1.90 gallons	7.19 litres / 1.90 gallons	7.19 litres / 1.90 gallons	7.19 litres / 1.90 gallons	7.19 litres / 1.90 gallons	7.19 litres / 1.90 gallons	7.19 litres / 1.90 gallons	7.19 litres / 1.90 gallons	7.57 litres / 2.00 US gallons ↑	7.61 litres / 2.01 US gallons ↑	7.61 litres / 2.01 US gallons	7.61 litres / 2.01 US gallons	7.61 litres / 2.01 US gallons
Brakes - Rear	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc
Suspension - Front	47mm inverted Showa cartridge fork with 16-position rebound- and 16-position compression-damping adjustability	47.0mm inverted Showa cartridge fork with 16-position rebound- and 16-position compression-damping adjustability	47.0mm inverted Showa cartridge fork with 16-position rebound- and 16-position compression-damping adjustability	47.0mm inverted Showa®	47.0mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression-damping adjustability	Inverted fully adjustable 47mm Showa cartridge forks, 16-way rebound settings, 16-way compression	47mm inverted Showa® cartridge fork with 16-position rebound and 16-position compression-damping adjustability; 12.4-inches travel	47mm inverted Showa® cartridge fork with 16-position rebound and 16-position compression-damping adjustability; 12.4-inches travel	47mm inverted Showa® cartridge fork with 16-position rebound and 16-position compression-damping adjustability; 12.4-inches travel	47mm inverted Showa® cartridge fork with 16-position rebound and 16-position compression-damping adjustability; 12.4-inches travel	47mm inverted Showa® cartridge fork with 16-position rebound and 16-position compression-damping adjustability; 12.4-inches travel	49mm leading-axle inverted telescopic Showa coil-spring fork with rebound and compression damping adjustability ↑	49mm leading-axle inverted telescopic Showa coil-spring fork with rebound and compression damping adjustability	49mm leading-axle inverted telescopic Showa coil-spring fork with rebound and compression damping adjustability
Suspension - Rear	Pro-Link Showa single shock with spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low speed (13 positions) and high-speed (3.5 turns)	Pro-Link Showa single shock with adjustable spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low speed (13 positions) and high-speed (3.5 turns)	Pro-Link Showa single shock with adjustable spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low speed (13 positions) and high-speed (3.5 turns)	Pro-Link®	Pro-Link Showa single-shock with spring preload, 13-position [low-speed] and 3.5-turn [high-speed] compression damping and 17-position rebound damping adjustability	Pro-Link Showa single shock with adjustable spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns) ↑	Pro-Link Showa single shock with adjustable spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns)	Pro-Link Showa single shock with adjustable spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns)	single shock with spring preload, 17-position rebound damping adjustment, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns)	Pro-Link® Showa® single shock with adjustable spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.4 inches travel. ↑	Pro-Link® Showa® single shock with adjustable spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.4 inches travel.	Pro-Link® Showa® single shock with adjustable spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.4 inches travel.	Pro-Link® Showa® single shock with adjustable spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.4 inches travel. ↓	Pro-Link® Showa® single shock with adjustable spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.4 inches travel.	Pro-Link® Showa single shock with adjustable spring preload, rebound and compression damping adjustability	Pro-Link® Showa single shock with adjustable spring preload, rebound and compression damping adjustability	Pro-Link® Showa single shock with adjustable spring preload, rebound and compression damping adjustability
Fuel System	Carburettor. Keihin 40mm flat-slide	Carburettor. Keihin 40.0mm flat-slide with throttle position sensor (TPS)	Carburettor. Keihin 40.0mm flat-slide with throttle position sensor (TPS)	Carburettor. 40.0mm Keihin™ flat-slide	Carburettor. 40.0mm Keihin™ flat-slide	Carburettor. Keihin 40mm flat-slide carburetor with Throttle Position Sensor (TPS)	Carburettor. Keihin 40mm flat-slide carburetor with Throttle Position Sensor (TPS)	Carburettor. Keihin 40mm flat-slide carburetor with Throttle Position Sensor (TPS)	Carburettor. Keihin® 40mm flat-slide carburetor with Throttle Position Sensor (TPS) ↑	Carburettor. Keihin® 40mm flat-slide carburetor with Throttle Position Sensor (TPS)	Carburettor. Keihin® 40mm flat-slide carburetor with Throttle Position Sensor (TPS)	Carburettor. Keihin® 40mm flat-slide carburetor with Throttle Position Sensor (TPS)	Carburettor. Keihin® 40mm flat-slide carburetor with Throttle Position Sensor (TPS) ↓	Injection. Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body ↑	Injection. Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body	Injection. Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body	Injection. Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body
Clutch	-	-	-	-	-	-	Wet, multiplate	-	Wet, multiple discs, cable operated	Wet, multiple discs, cable operated	-	-	-	-	-	-	-
Final Drive	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain	#520 chain; 14T/40T	Chain	Chain	Chain (final drive)	Chain (final drive)	Chain (final drive)	Chain (final drive)	Chain (final drive)
Rims	-	-	-	-	-	-	-	-	Aluminium rim/wire spoke	-	-	-	-	Dunlop MX52 tires	Dunlop MX52 tires	Dunlop MX52 tires	Dunlop MX52 tires. Aluminium rims.
Height	-	-	-	-	-	-	-	1,150 mm / 45.3 in.	1273 mm / 50.1 71 ↑	1273 mm / 50.1 71	-	-	-	-	-	-	-
Length	-	-	-	-	-	-	-	1,810 mm / 71.3 in.	2178 mm / 85.7 in ↑	2178 mm / 85.7 in	-	-	-	-	-	-	-
Wet Weight	-	-	-	-	122.0 kg / 269.0 lbs	122.0 kg / 269.0 lbs	122.0 kg / 269.0 lbs	122.0 kg / 269.0 lbs	122 kg / 269 lbs	122 kg / 269 lbs	122.0 kg / 269.0 lbs	122.0 kg / 269.0 lbs	122.0 kg / 269.0 lbs	124.7 kg / 275.0 lbs ↑	124.7 kg / 275.0 lbs	124.7 kg / 275.0 lbs	124.7 kg / 275.0 lbs
Tyres - Front	80/70-21	80/70-21	80/100-21	80/0-21	80/21-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21
Gearbox	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	6-speed ↑	6-speed	6-speed	6-speed
Width	-	-	-	-	-	-	1,016 mm / 40.0 in.	685 mm / 27.0 in. ↑	821 mm / 32. in ↑	821 mm / 32. in	-	-	-	-	-	-	-
Tyres - Rear	100/90-19	110/90-18 ↑	110/90-18	110/90-18	110/18-18	110/100-18	110/100-18	110/100-18	110/100-18	110/100-18	110/100-18	110/100-18	-	-	-	-	-
Primary Drive	-	-	-	-	-	-	#520 T-ring-sealed chain; 13T/51T	#520 T-ring-sealed chain; 13T/51T	#520 T-ring-sealed chain; 13T/51T	#520 T-ring-sealed chain; 13T/51T	#520 T-ring-sealed chain; 13T/51T	#520 T-ring-sealed chain; 13T/51T	#520 T-ring-sealed chain; 13T/51T	#520 T-ring-sealed chain; 13T/51T	#520 T-ring-sealed chain; 13T/51T	-	#520 Chain; 13T/51T
Rake	26.8°	27.3° ↑	27.3°	27.1° ↓	27.1°	27.4° ↑	27.4°	27.4°	27.0° ↓	27.1° ↑	27.1°	27.1°	28.0° ↑	28.0°	27.4° ↓	27.4°	27.4°
Fuel Reserve	-	-	-	-	-	-	-	-	-	1.60 litres / 0.42 gallons	1.60 litres / 0.42 gallons	1.60 litres / 0.42 gallons	1.60 litres / 0.42 US gallons	-	-	-	-
Trail	109 mm / 4.3 in.	113 mm / 4.4 in. ↑	113 mm / 4.4 in.	115 mm / 4.5 in. ↑	115 mm / 4.5 in.	117 mm / 4.6 in. ↑	117 mm / 4.6 in.	117 mm / 4.6 in.	110 mm / 4.3 in. ↓	110 mm / 4.3 in.	110 mm / 4.3 in.	110 mm / 4.3 in.	117 mm / 4.6 in. ↑	117 mm / 4.6 in.	142 mm / 5.6 in. ↑	142 mm / 5.6 in.	142 mm / 5.6 in.
Wheel Travel - Front	315 mm / 12.4 in.	315 mm / 12.4 in.	315 mm / 12.4 in.	406 mm / 16.0 in. ↑	315 mm / 12.4 in. ↓	315 mm / 12.4 in.	300 mm / 12.4 in. ↓	315 mm / 12.4 in. ↑	315 mm / 12.4 in	315 mm / 12.4 in.	315 mm / 12.4 in.	315 mm / 12.4 in.	315 mm / 12.4 in.	315 mm / 12.4 in.	305 mm / 12.0 in. ↓	305 mm / 12.0 in.	305 mm / 12.0 in.
Wheel Travel - Rear	318 mm / 12.5 in.	315 mm / 12.4 in. ↓	315 mm / 12.4 in.	330 mm / 13.0 in. ↑	315 mm / 12.4 in. ↓	315 mm / 12.4 in.	315 mm / 12.4 in.	315 mm / 12.4 in.	315 mm / 12.4 in	312 mm / 12.3 in. ↓	312 mm / 12.3 in.	312 mm / 12.3 in.	312 mm / 12.3 in.	312 mm / 12.3 in.	312 mm / 12.3 in.	300 mm / 11.8 in. ↓	300 mm / 11.8 in.
Ignition	CD with electronic advance	CD with electronic advance and lighting coil	CD with electronic advance and lighting coil	CD	CD	CD with electronic advance and lighting coil	CD with electronic advance and lighting coil	CD with electronic advance and lighting coil	CD with electronic advance and lighting coil	CD with electronic advance and lighting coil	CD with electronic advance and lighting coil	CD with electronic advance and lighting coil	CD with electronic advance and lighting coil	DC-CDI	DC-CDI	DC-CDI	DC-CDI
Max Torque	-	-	-	-	-	-	-	4.00 Nm (0.4 kgf-m or 3.0 ft.lbs) @ 5500 Revolutions	43 Nm / 4.38 kg-m @ 7000 rpm ↑	41.30 Nm (4.2 kgf-m or 30.5 ft.lbs) @ 7000 Revolutions ↓	41.30 Nm (4.2 kgf-m or 30.5 ft.lbs) @ 7000 Revolutions	41.30 Nm (4.2 kgf-m or 30.5 ft.lbs) @ 7000 Revolutions	41.3 Nm (4.2 kgf-m or 30.5 ft.lbs) @ 7000 Revolutions"	41.3 Nm (4.2 kgf-m or 30.5 ft.lbs) @ 7000 Revolutions"	41.3 Nm (4.2 kgf-m or 30.5 ft.lbs) @ 7000 Revolutions"	41.3 Nm (4.2 kgf-m or 30.5 ft.lbs) @ 7000 Revolutions"	41.3 Nm (4.2 kgf-m or 30.5 ft.lbs) @ 7000 Revolutions"
Starter	Electric & kick	Electric & kick	Electric & kick	-	-	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick

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