Yamaha TT 500 (1978-81) vs Honda VFR 800X Crossrunner (ED-type) (2014) vs Ducati 900SS (1989-90) vs BMW R 90/6 (1973-76) vs Yamaha DT 400 (1978-79) vs Yamaha YZF 600 R6 (2019) vs Harley-Davidson Harley Davidson FXE 1200 Super Glide (1974-77) vs Ducati 250 Scrambler (1965-66)

Comparison technical specifications

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Make:	Yamaha	Honda	Ducati	BMW	Yamaha	Yamaha	Harley-Davidson	Ducati
Model:	TT 500	VFR 800X Crossrunner (ED-type)	900SS	R 90/6	DT 400	YZF 600 R6	Harley Davidson FXE 1200 Super Glide	250 Scrambler
Years:	1978-81	2014	1989-90	1973-76	1978-79	2019	1974-77	1965-66
Engine:	Four stroke, single cylinder	Four stroke, 90° V-4, SOHC, 4 valve per cylinder	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.	Two stroke, single cylinder, read valve	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, 45° V-Twin, OHV, 2 valves per cylinder.	Four stroke, single cylinder, Desmo SOHC, 2 valve
Capacity:	499 cc / 30.4 cu-in	782 cc / 47.7 cu-in	904 cc / 55.2 cu in	898 cc / 54.8 cu in.	397 cc / 24.2 cu-in	599 cc / 36.5 cu-in	1207 cc / 73.5 cu-in	248 cc / 15.1 cu-in
Bore x Stroke:	87 х 84 mm	72 x 48 mm	92 x 68 mm	90 x 70.6 mm	85 Ñ… 70 mm	67 x 42.5 mm	87.3 x 100.8 mm	74 x 57.8 mm
Cooling System:	Air cooled	Liquid cooled	Air cooled	Air cooled	Air cooled	Liquid cooled	Air cooled	Air cooled
Compression Ratio:	9.0 :1	11.6:1	9.2:1	9.0:1	6.4:1	13.1;1	8.0:1	9.7:1
Induction:	38mm Mikuni	PGM-FI electronic fuel injection, 35mm Throttle Bore	Weber 44DCNF 118	2 x Bing constant depression carburetors	Single 28mm Mikuni carburetor	Fuel injection with YCC-T and YCC-I	Single 38mm Keihin carburetor	29mm Dell'Orto carburetor
Starting:	Kick	Electric	Electric	Electric	Kick	Electric	Electric	Kick
Max Power:	27 hp / 19.7 kW @ 5900 rpm	74.9 kW / 100.6 hp @ 10000 rpm	61.8 kW / 84 hp @ 7000 rpm (rear tyre 53.7 kW / 73hp @ 8100 rpm)	44.1 kW / 60 hp @ 6500 rpm	23 hp / 17.1 kW @ 5500 rpm	87.1 kW / 116.7 hp @ 14500 rpm	65 hp @ 5500 rpm	13.5 kW / 18 hp @ 7500 rpm
Transmission:	5 Speed	6 Speed	6 Speed	5 Speed	5 Speed	6 Speed	4 Speed	5 Speed
Final Drive:	Chain	Chain	Chain	Shaft	Chain	O-ring chain	Chain	Chain
Front Suspension:	Telescopic fork	43mm cartridge-type telescopic fork with stepless preload adjustment,	40mm Marzocchi fully adjustable inverted fork	Telescopic hydraulic forks.	Telescopic forks	43mm KYB telescopic forks	Telescopic forks, 89mm wheel travel	Hydraulic telescopic forks
Rear Suspension:	Swinging arm	Pro-Link with gas-charged HMAS damper, 7-step preload and stepless rebound damping adjustment,	Progressive type with adjustable Marzocchi monoshock	Long swinging arm with adjustable strut.	Swinging arm fork	KYB® piggyback shock, 4-way adjustable	Swinging fork. Duplex loop cradle with cast lugs.	Dual chocks
Front Brakes:	Drum	2x Hydraulic discs 320mm floating, 6-piston radial calipers, Combined-ABS	2 x 320mm discs	Single ∅260mm disc, 1 piston caliper	Drum	2x 320mm discs 4 piston calipers	Single 298mm disc	180mm Drum
Rear Brakes:	Drum	Single hydraulic 276mm disc 2 piston caliper, Combined-ABS	Single 245mm disc	200mm Drum	Drum	Single 220mm disc 1 piston caliper	Single 248mm disc	160mm Drum
Front Tyre:	3.00-21	120/70 Z R17	120/70-17	3.25 - H19	3.00-21	120/70 ZR17	3.25-19	3.50-19
Rear Tyre:	4.60-18	180/55 R17	170/60-17	4.00 - H18	4.00-18	180/55 ZR17	5.10-16	4.00-18
Fuel Capacity:	8.5 Litres / 2.24 US gal	21.5 Litres / 5.6 gal	17.5 L / 4.6 US gal / 3.8 Imp gal	18 Liters / 4.75 US gal	9 Litres / 2.3 US gal	17.5 Litres / 4.5 US gal	12.5 Litres / 3.3 US gal	11 Litres / 2.9 US gal / 2.4 Imp gal