Yamaha XS 850G (1980) vs Yamaha FZR 250R (1990-92) vs Yamaha MT-07 / FZ07 (2017) vs Yamaha RS 100 (1976-77) vs Yamaha XVS 250 V-Star (2014-15) vs Yamaha XVS 650 V-Star Classic (2008-10) vs Ducati 998 S Bayliss Replica (2002) vs Yamaha TDR 250 (1988-89)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Ducati	Yamaha
Model:	XS 850G	FZR 250R	MT-07 / FZ07	RS 100	XVS 250 V-Star	XVS 650 V-Star Classic	998 S Bayliss Replica	TDR 250
Years:	1980	1990-92	2017	1976-77	2014-15	2008-10	2002	1988-89
Engine:	Four stroke, transverse three cylinder, DOHC, 2 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Two stoke, torque induction, single	Four stroke, V-twin cylinder, SOHC, 2 valves per cylinder.	Four stroke, 70°V-twin cylinder, SOHC	Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valve per cylinder, belt driven	Two stroke, parallel twin cylinder, read valve, YPVS
Capacity:	826 cc / 50.4 cu in	249 cc / 15.2 cu-in	689 cc / 42.04 cu-in	97 cc / 5.9 cu-in	249 cc / 15.1 cu/in	649 cc / 39.6 cu-in	998 cc / 60.9 cu in	249 cc / 15.2 cu-in
Bore x Stroke:	71.5 x 68.6 mm	48 х 34.5 mm	80 x 68.6 mm	52 x 45.6 mm	49 x 66 mm	81 x 63mm	100 x 63.5 mm	56.4 х 50 mm
Compression Ratio:	9.2:1	12.0:1	11.5:1	7.0 : 1	10.0:1	9.0:1	11.4:1	5.9:1
Cooling System:	Air cooled	Liquid cooled	Liquid cooled	Air cooled	Air cooled	Air cooled	Liquid cooled	Liquid cooled
Induction:	3 x 34mm Hitachi carburetors	MIKUNI BDS2600 carburetor	Mikuni 38 mm dual bore throttle body F.I.	VM20SH carburetor	26mm Mikuni BDS26 carburetor	2x 28mm Mikuni BDS28 CV carburetors	Weber Marelli CPU 5.9M, 54mm throttle bodies, electronic fuel injection	2x 28mm TM28SS Mikuni carburetors
Ignition:	Battery powered triggered	CDI	TCI Transistor Controlled Ignition	Magneto, CB/coil	TCI (Transistor Controlled Ignition)	Digital TCI	Digital CDI	Transistorized
Starting:	Electric	Electric	Electric	Kick	Electric	Electric	Electric	Kick
Max Power:	57.7 kW / 79 hp @ 8500 rpm	45 hp / 32.8 kW @ 14500 rpm	55 kW / 74.8 hp @ 9000 rpm	11 hp / 8.1 kW @ 8500rpm	21 hp / 15.4 kW @ 8000 rpm	40 hp / 29.2 kW @ 6500 rpm	100 kW / 136 hp @ 10200 rpm	46 hp / 37 kW @ 10000 rpm
Transmission:	5 Speed	6 Speed	Constant Mesh	5 Speed	5 Speed	5 Speed	6 Speed	6 Speed
Final Drive:	Shaft	Chain	Chain	Chain	Chain	Shaft	Chain	Chain
Front Suspension:	Air assisted telescopic forks, 175mm wheel travel.	38mm Telescopic forks	41mm Telescopic forks	Telescopic forks	33 mm Telescopic fork with 140mm wheel travel.	41mm forks	Öhlins upside down fork with 43 mm of condition pipe diameter, TiN coating	Air assisted telescopic forks 7-way adjustable preload
Rear Suspension:	Swing arm 4-way adjustable damping, 99 wheel travel	Monoshock preload adjustable.	Swinging arm	Dual shocks	Dual shock Swinging arm with 100mm wheel travel.	Adjustable link Monocross	A arm rocker with progressively working Öhlins central shock strut	Single shock rising rate adjustable preload
Front Brakes:	2 x 267mm Discs, 1 piston calipers	2x 285mm discs 4 piston calipers	2x 282mm discs	Drum	Single 282mm disc	Single 298mm disc	2 x 320 mm Discs, 4 piston calipers	Single 320mm disc 2 piston calipers
Rear Brakes:	Single 267mm disc, 1 piston caliper	Single 210mm disc 2 piston caliper	Single 245mm disc	Drum	130mm drum	200mm Drum	Single 220 mm disc, 2 piston caliper	Single 210mm disc single piston caliper
Front Tyre:	3.25-19	100/80--17	120/70 ZR 17M/C(58W) (Tubeless)	2.75-18	3.00 18	130/90-16	120/70 ZR17	110/90-18
Rear Tyre:	4.00-18	130/70-17	180/55 ZR 17M/C(73W) (Tubeless)	3.00-18	130/90-15	170/80-15	190/50 ZR17	120/80-17
Fuel Capacity:	24 Litres / 6.3 US gal	14 Litres / 3.7 US gal	14 Litres / 3.7 US gal	10 Litres / 2.6 US gal	9.5 Liters / 2.5 US gal	16 Litres / 4.2 US gal	17 Litres / 4.5 US gal / 3.7 Imp gal	14 Litres / 3.6 US gal