Ducati 750 F1 Montjuich (1986) vs Yamaha FZR 250R (1993-95) vs Yamaha XT 250 Serow (2010-11) vs Yamaha XS 400 Special (1980-81) vs Yamaha TDM 850 (1993-95) vs Yamaha FZ6R (2010) vs Yamaha DT 125RE (2005-07) vs Yamaha MT-125 (2016-17) vs Yamaha TT-R 250 Raid (1994-95)

Comparison technical specifications

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Make:	Ducati	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha
Model:	750 F1 Montjuich	FZR 250R	XT 250 Serow	XS 400 Special	TDM 850	FZ6R	DT 125RE	MT-125	TT-R 250 Raid
Years:	1986	1993-95	2010-11	1980-81	1993-95	2010	2005-07	2016-17	1994-95
Engine:	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, single cylinder. SOHC, 2 valve	Four stroke, 180° parallel twin, SOHC, 2 valves per cylinder	Four stroke, parallel twin cylinder, DOHC, 5 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Two stroke, single cylinder, reed-valve	Four stroke, single cylinder, SOHC, 4-valves	Four stroke, single cylinder, DOHC, 4-valve per cylinder.
Capacity:	748 cc / 45.6 cu in	249 cc / 15.2 cu-in	249 cc / 15.2 cu-in	392 cc / 23.9 cu-in	849 cc / 51.8 cu-in	599 cc / 36.5 cu-in	123 cc / 7.5 cu-in	124.7 cc / 7.6 cub in.	249 cc / 15.1 cu-in
Bore x Stroke:	88 x 61.5 mm	48 х 34.5 mm	74.0 x 58.0mm	69.0 x 52.4 mm	89.5 x 67.5 mm	65.5 x 44.5 mm	56 X 50 mm	52 x 58.6 mm	73 x 59.6 mm
Compression Ratio:	10.0:1	12.0:1	9.5;1	9.2:1	9.2:1	12.2:1	6.8:1	11.2:1	10.3:1
Induction:	2 x 36 mm Dell'Orto PH 40N carburetors	MIKUNI BDS2600 carburetor	Teikei 33mm carburetor	2x Mikuni BS32 carburetors	2x Mikuni BDST88 carburetors	Group injection type fuel injection	Mikuni 28 SS	Electronic fuel injection	TEIKEI Y30P carb
Ignition:	Kokusan electronic	CDI	CDI	Battery ignition - With contact breaker points	Digital	Digital TCI	CDI	TCI (digital)	Digital CDI
Starting:	Electric	Electric	Electric	Electric & kick	Electric	Electric	Kick	Electric	Electric
Max Power:	69.9 kW / 95 hp @ 10000 rpm	45 hp / 32.8 kW @ 14500 rpm	18 hp / 13.1 kW @ 7500 rpm	36 hp / 26.8 kW @ 8100 rpm	77 hp / 56.1 kW @ 7500 rpm	77.5 hp / 57 kW @ 11500 rpm	14.7 hp/ 10.8 kW @ 7000 rpm	11 kW / 15 hp @ 9000 rpm	28 hp / 20.6 kW @ 8500 rpm
Max Torque:	70.6 Nm / 7.2 kgf-m / 52.1 ft-lb @ 7000 rpm	25 Nm / 2 kgf-m @ 11500 rpm	19 Nm / 14.0 lb-fts @ 6500 rpm	3.3 kgf-m / 23.8 lb-ft @ 8000 rpm	75.5 Nm / 55.6 lb-ft @ 6000 rpm	51.6 Nm / 6.1 kg-m / 44.1 ft-lb @ 8500 rpm	1.7 kgf-m / 16.3 Nm @ 7000 rpm	12.4 Nm / 1.25 kgf-m / 9.14 ft-lb	2.8 kgf-m / 27.1 Nm / 20.0 lb-ft @ 7000 rpm
Transmission:	5 Speed	6 Speed	5 Speed	6 Speed	5 Speed	6 Speed	6 speed	6-Speed, constant mesh	6 Speed
Final Drive:	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain
Front Suspension:	40 mm Forcella Italia fork	38mm Telescopic forks	35mm Telescopic forks	Telescopic fork	41mm Telehydraulic forks, adjustable for preload and rebound	43mm Telescopic fork,	41mm Telescopic forks	Upside-down telescopic fork, 41 mm dia.	Telescopic forks, Coil air spring oil damper
Rear Suspension:	Round section chrome-moly steel swingarm with adjustable (for preload) cantilever mono-shock, Marzocchi PVS 4	Monoshock preload adjustable.	Monocross, Swingarm rebound-adjustable single shock	Dual shocks swing arm, preload adjustable	Monocross single DeCarbon type gas-oil shock adjustable for preload and rebound	Swingarm Link less type Monocross,	Monocross linkage	Linked monoshock with spring preload adjustment	Monocross, Single shock, link-type, w/adjustable preload
Front Brakes:	2 x 280mm Discs, 4 piston calipers Brembo P3432D "Gold Series"	2x 285mm discs 4 piston calipers	Single 245mm disc	Single disc	2x 298mm discs 4 piston calipers	2x 298 mm discs	Single 230mm disc	Hydraulic, single disc, 292 mm dia.	Single 245mm disc
Rear Brakes:	Single 260 mm disc	Single 210mm disc 2 piston caliper	Single 203mm disc	Drum	Single 245mm disc 2 piston caliper	Single 245 mm disc	Single 220mm disc	Hydraulic, single disc, 230 mm dia.	Single 220mm disc
Front Tyre:	120/60 V16	100/80--17	80/70-21	3.00-18	110/80-18	120/70 ZR17	80/90 -21	100/80-17 MC	3.00-21
Rear Tyre:	130/80 V16	130/70-17	120/80-18	3.50-18	150/70-17	160/60 ZR17	110/80 -18	130/70-17 M	4.60-18
Fuel Capacity:	18 L / 4.8 US gal / 4.0 Imp gal	14 Litres / 3.7 US gal	9.8 Litres / 2.6 US gal	14 Litres / 3.7 US gal	18 Litres / 4.7 US gal	17.3 Litres / 4.6 gal	10 Litres / 2.2 gal	11.5 Litres / 3.0 US gal	10.2 Litres / 2.7 US gal