Kawasaki Z 400 Special (1977) vs Yamaha DT 125MX (1981) vs Kawasaki ER-6n (2014) vs KTM 250 EX/C Enduro (1997-98) vs Yamaha YZF1000 R1 (2007) vs Yamaha TT 600 (1983-84)

Comparison technical specifications

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Make:	Kawasaki	Yamaha	Kawasaki	KTM	Yamaha	Yamaha
Model:	Z 400 Special	DT 125MX	ER-6n	250 EX/C Enduro	YZF1000 R1	TT 600
Years:	1977	1981	2014	1997-98	2007	1983-84
Engine:	Four stroke, parallel twin cylinder, SOHC, 2 Valve per cylinder.	Two stroke, single cylinder, reed-valve	Four stroke, parallel twin, DOHC, 4 valves per cylinder.	Two stroke, single cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, single cylinder, SOHC, 4 Valve
Capacity:	398 cc / 24.2 cu-in	123 cc / 7.5 cu-in	649 cc / 39.6 cu-in	249 cc / 15.2 cu in	998 cc / 60.9 cu-in	595 cc / 36.5 cu-in
Bore x Stroke:	64 х 62 mm	56 х 50 mm	83 X 60 mm	67.5 x 69.5 mm	77 X 53.6 mm	95 x 84 mm
Compression Ratio:	9.4:1	7.2:1	11.3;1	6.0:1	12.7:1	8.5:1
Cooling System:	Air cooled	Air cooled	Liquid cooled,	Liquid cooled	Liquid cooled	Air cooled
Lubrication:	Forced lubrication, wet sump	Autolube	Wet sump	Two stroke oil, mix: 1:50 - 1:60	Wet sump	Dry sump
Induction:	2x Keihin CV32 6caburetor	Single 24 mm Mikuni	2x 38mm Electronic Fuel Injection Keihin	Keihin PWK 36 S AG Carburettor	Fuel Injection with YCC-T and YCC-I	27mm Dual stage Teikei Y27PVX1 carburetor
Ignition:	Battery & coil	Flywheel Magneto	Digital TCBI	Kokusan digital 2K-3	TCI (Transistor Controlled Ignition)	CDI
Starting:	Electric & kick	Kick	Electric	Kick	Electric	Kick
Transmission:	5 Speed	6 speed	6 Speed	5 Speed	6 Speed	5 Speed
Final Drive:	Chain	Chain	Chain	Chain, 5/8" x 1/4"	#530 O-ring chain	Chain
Front Suspension:	Telescopic fork	Telescopic Forks	41 mm telescopic fork,	WP Extreme Ø 50 mm upsidedown fork	43mm inverted telescopic fork w/adjustable preload, compression damping, rebound damping;	43mm Telescopic forks
Rear Suspension:	Swing arm	Monocross	Offset laydown single-shock with adjustable preload,	WP Progressive Damping System shock absorber, aluminium swingarm	Single shock w/piggyback reservoir; adjustable for hi-/lo-speed compression damping, rebound damping, spring preload	Monocross single shock 20-way compression, reload and rebound adjustment.
Front Brakes:	Drum	Drum	2x 300mm discs 2 piston Calipers	Single 260 mm disc, floating caliper	2 x 310mm discs 6 piston calipers	Drum
Rear Brakes:	Drum	Drum	Single 220mm disc 1 piston Caliper	Single 220 mm disc, floating caliper	Single 220mm disc 1 piston caliper	Drum
Front Tyre:	3.25 - S18 4PR	2.75-21	120/70ZR17	90/90 - 21" 54R	120/70 ZR17	100/80-21
Rear Tyre:	3.50 - SIB 4PR	3.50-18	160/60ZR17	140/80 - 18" 70R	190/50 ZR17	140/90-18
Wheelbase:	1370 mm / 53.9 In	1325 mm / 52.2 in	1410 mm / 55.5 in	1481 mm / 58.3 in	1415 mm / 55.7 in	1485 mm / 58.5 in.
Ground Clearance:	125 mm / 4.9 in	265 mm / 10.4 in	130 mm / 5.1 in	385 mm / 15 in	135 mm / 5.3 in	300mm / 11.8 in.
Fuel Capacity:	14 Litres / 3.6 US gal	7 Litres / 1.58 gal	16 Litres / 4.2 US gal.	9.5 Litres or 12 L / 2.5 US gal or 3.2 US gal	18 Litres / 4.0 US gal	11 liters / 2.9 US gal