Ducati 900 Monster (1995-96) vs Ducati 400SS Junior (1989-90) vs Ducati Desmosedici RR (2006) vs Ducati Monster S4RS Testastretta (2008) vs Ducati 900 SS (1995) vs Ducati 900SS CR (1995) vs Ducati 999 R (2006)

Comparison technical specifications

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Make:	Ducati	Ducati	Ducati	Ducati	Ducati	Ducati	Ducati
Model:	900 Monster	400SS Junior	Desmosedici RR	Monster S4RS Testastretta	900 SS	900SS CR	999 R
Years:	1995-96	1989-90	2006	2008	1995	1995	2006
Engine:	Four stroke, 90°“L” twin cylinder, SOHC desmodromic 2 valve per cylinder.	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valve per cylinder.	Four stroke, "L" -four cylinder, DOHC, Desmodromic, 4 valves per cylinder, gear driven camshafts	Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven	Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven
Capacity:	904 cc / 55.2 cu in	398 cc / 24.3 cu in	989 cc / 60.4cu in	998 cc / 60.9 cu in	904 cc / 55.2 cu in	904 cc / 55.2 cu in	999 cc / 70 cu in
Bore x Stroke:	92 x 68 mm	70.5 x 51 mm	86 x 42.56 mm	100 x 63.5 mm	92 x 68 mm	92 x 68 mm	104 x 58.8 mm
Compression Ratio:	9.2:1	10.0:1	13.5:1	11.4:1	9.2:1	9.2:1	12.45:1
Cooling System:	Air cooled	Air cooled	Liquid-cooled	Liquid cooled	Air cooled	Air cooled	Liquid cooled
Induction:	2 x 38 mm Mikuni BDST 38-B129 carburetors	Mikuni CVK-V36 carburetor	Four 50 mm Magneti Marelli throttle bodies, 12-hole "microjet"with injectors over throttle, manual idle control;	Marelli electronic fuel injection, 50 mm throttle bodies	Mikuni BDST 38-B67	Mikuni BDST 38-B67	Weber Marelli electronic fuel injection, 54 mm throttle body
Ignition:	Kokusan electronic inductive discharge	Kokusan electronic	Digital CDI	Marelli Electronic	Kokusan electronic inductive discharge	Kokusan electronic inductive discharge	Marelli electronic
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	58.8 kW / 80 hp @ 7000 rpm	30.9 kW / 42 hp @ 10000 rpm	147.1 kW / 200 hp @ 13800 rpm	95.7 kW / 130 hp @ 9500 rpm	61.8 kW / 84 hp @ 7000 rpm (rear tyre 53.7 kW / 73hp @ 8100 rpm)	61.8 kW / 84 hp @ 7000 rpm (rear tyre 53.7 kW / 73hp @ 8100 rpm)	110 kW / 150 hp @ 9750 rpm
Transmission:	6 Speed	6 Speed	6-Speed; Cassette type	6 Speed	6 Speed	6 Speed	6 Speed
Final Drive:	Chain	Chain	Chain	Chain; front sprocket 15; rear sprocket 42	Chain	Chain	Chain, #525
Front Suspension:	Showa GD 41, inverted type, adjustable, 41 mm stanchions	41mm Marzocchi inverted telescopic fork, M1BB	Öhlins 'FG353' PUFF forks USD 43 mm pressurized, with preload, rebound and compression adjustment, TiN coated sliders	Öhlins 43 mm upside-down fully adjustable fork with TiN surface treatment	41 mm Showa fully adjustable inverted fork	41 mm Showa GD 021 fully adjustable inverted fork	Öhlins 43mm upside-down fully adjustable fork with TiN surface treatment
Rear Suspension:	Boge progressive type with adjustable monoshock	Cantilever swingarm, Marzocchi PBS1R monoshock, preload and rebound damping	Öhlins rear shock, with rebound, low/high speed compression adjustment, and hydraulic preload adjustment	Progressive linkage with fully adjustable Öhlins monoshock. Aluminium single-sided swingarm	Progressive type with adjustable Showa GD monoshock	Progressive type with adjustable Showa GD monoshock	Progressive linkage with fully adjustable Öhlins monoshock
Front Brakes:	2 x 320 mm Discs, 4 piston calipers	2 x 280 mm Discs	Two Brembo radial "monoblock" calipers with four 34 mm pistons; two semi-floating 330 mm x 6 mm discs, with machined flange: the same as GP6 wet race set-up	2 x 320 mm Discs, 4 piston calipers, radially mounted, Brembp	2 x 320 mm discs	2 x 320 mm discs	2 x 320 mm Discs, 4 piston calipers
Rear Brakes:	Single 220 mm disc, 2 piston caliper	Single 260 mm disc	240 mm Fixed disc, floating caliper with two 34 mm pistons	Single 245 mm disc, 2 piston caliper	Single 245 mm disc	Single 245 mm disc	Single 245mm disc, 2 piston caliper
Front Tyre:	120/70-17	130/60 VR16	Bridgestone 120/70 R17	120/70 ZR17	120/70-17	120/70-17	120/70 ZR17
Rear Tyre:	170/60-17	160/60 VR16	Bridgestone 200/55 R16	180/55 ZR17	170/60-17	170/60-17	190/50 ZR17
Wheelbase:	1430 mm / 56.3 in	1450 mm / 57.1 in	1430 mm / 56.3 in	1440 mm / 56.7 in	1410 mm / 55.5 in	1410 mm / 55.5 in	1420 mm / 55.9 in
Seat Height:	770 mm / 30.3 in	750 mm / 29.5 in	830 mm / 32.7 in	803 mm / 31.6 in	780mm / 30.7in	780mm / 30.7in	780 mm / 30.7 in
Dry Weight:	184 kg / 405 lbs	174 kg / 384 lbs	171 kg / 377 lbs	177 kg / 390lbs	183 kg / 403 lbs	182 kg / 401 lbs	181 kg / 427 lbs