Honda CRF 450X (2007-08) vs Honda CB 650Z (1979-82) vs Honda CX 500TC Turbo (1981) vs Honda CBR 900RR Fireblade (CBR929RR) (2001) vs Honda SH 125i (2024) vs Honda XL125S (1977-78) vs Honda XR 250 (1980)

Comparison technical specifications

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Make:	Honda	Honda	Honda	Honda	Honda	Honda	Honda
Model:	CRF 450X	CB 650Z	CX 500TC Turbo	CBR 900RR Fireblade (CBR929RR)	SH 125i	XL125S	XR 250
Years:	2007-08	1979-82	1981	2001	2024	1977-78	1980
Engine:	Four stroke, single cylinder, DOHC, 4 valves	Four stroke, transverse four cylinder, SOHC, 2 valves per cylinder.	Four stroke, Turbo charged, longitudinal 800 V-twin cylinder, camshaft nestles at the base of the V between the cylinders. ,OHV, 4 valves per cylinder operated by pushrods	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, single cylinder, OHC	Four stroke, single cylinder SOHC, 4 valve
Capacity:	449 cc / 27.4 cu-in	626 cc / 38.2 cu-in	498 cc / 30.3 cu-in	929 cc / 58.7 cub. in	125 cc / 7.6 cu-in	124 cc / 7.6 cu-in	249 cc / 15.2 cu-in
Bore x Stroke:	96 x 62mm	59.8 x 55.8 mm	78 x 53 mm	74 x 54 mm	53.5 x 55.5 mm	56 X 49 mm	74 x 57.8 mm
Compression Ratio:	12.0:1	9.0:1	7.2:1	11.3:1	11.5:1	9.3;1	9.6:1
Induction:	Keihin 40mm flat-slide	4x 28mm Keihin carburetors	Electronic fuel injection	PGM-FI (fuel-injection) with automatic choke	PGM-FI electronic fuel injection	1X 26 Keihin carburetor	2x 30.5 mm piston valve Keihin carburetor
Ignition:	CD with electronic advance and lighting coil	Transistorized	CDI	Computer-controlled digital, 3D mapping	Fully transistorised ignition	Magneto	CDI Capasitor-Discharge
Starting:	Electric & kick	Electric	Electric	Electronic	Electric	Kick	Kick
Max Power:	44.8 hp / 33 kW @ 7500 rpm	63 hp / 46.9 kW @ 9000 rpm	82 hp / 59.9 kW @ 8000 rpm ( rear tyre 76 hp @ 8000 rpm )	111.8 kW / 152 hp @ 10750rpm	9.6 kW / 12.9 hp @ 8250 rpm	12.5 hp / 9.5 kW @ 10000 rpm	30 hp / 21.9 kW @ 9000 rpm
Transmission:	5 Speed	5 Speed	5 Speed	6 Speed	CVT	5 Speed	5 Speed
Final Drive:	#520 chain; 14T/40T	Chain	Shaft	# 525 chain, 108 links	V-Belt	Chain	Chain
Front Suspension:	Inverted fully adjustable 47mm Showa cartridge forks, 16-way rebound settings, 16-way compression	Adjustable Telehydraulic fork.	37mm Showa, adjustments for TRAC anti-dive and air pressure	43mm inverted telescopic fork with stepless preload, compression and rebound adjustment	33mm Telescopic fork	Telescopic forks	Leading axel hydraulic 38mm forks
Rear Suspension:	Pro Link Showa single shock with 312mm of travel 17-way rebound settings, 13 low speed compression settings and 3.5 turns of high speed compression adjustment)	Swinging arm fork with adjustable shocks absorbers.	Honda Pro-Link, one Showa damper, adjustment for air pressure and rebound damping	Pro-Link with gas-charged H.M.A.S. damper featuring 13-step preload and stepless compression and rebound damping adjustment	Dual-damper unit swing arm, 5 stage adjustment	Swinging fork	Inverted lay-down gas-charged shocks, three step spring pre-load
Front Tyre:	80/100-21	3.50 -H19	100/90 V18	120/70 ZR17	100/80 -16	2.75 -21	3.00-23
Rear Tyre:	110/100-18	4.50 -H17	120/90 V17	190/50 ZR17	120/80 -16	4.00 -18	4.60-18
Fuel Capacity:	7.2 Litres / 1.9 gal	18 Litres / 4.7 US gal	20 Litres / 5.2 US gal	18 Litres / 4.8 US gal	7 Litres / 1.85 US gal	6.8 Litres / 1.6 US gal	9.8 Litres / 2.6 US gal