Aprilia SR Motard 50 (2015) vs Aprilia Tuono 1000 R Factory (2008) vs Aprilia RS 125 R osso Fluo (2008) vs Ariel VH 500 Red Hunter (1932-59) vs Aprilia RS4 125 (2019-20) vs Megelli Motard 250M (2015-) vs Aprilia Touno 125 (2017-18)

Comparison technical specifications

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Make:	Aprilia	Aprilia	Aprilia	Ariel	Aprilia	Megelli	Aprilia
Model:	SR Motard 50	Tuono 1000 R Factory	RS 125 R osso Fluo	VH 500 Red Hunter	RS4 125	Motard 250M	Touno 125
Years:	2015	2008	2008	1932-59	2019-20	2015-	2017-18
Engine:	Four stroke, single cylinder, 4 valves	Four stroke, longitudinal 60°V twin, DOHC, 4 valves per cylinder	Single cylinder, two stroke, reed valves induction	Four stroke, stroke, single cylinder, OHV, 2-valves	Four stroke, single cylinder, DOHC, 4 valves	Four stroke, single cylinder, SOHC, 4 valve per cylinder	Four stroke, single cylinder, DOHC, 4 valves
Capacity:	49 cc / 3.0 cu in	997.6 cc / 60.9 cu in	124.8 cc / 7.5 cu in	497 cc / 30.3 cu in	124.8 cc / 7.6 cu in	250 cc / 15.2 cu-in	124.8 cc / 7.6 cu in
Bore x Stroke:	39 x 41.35 mm	97 x 67.5mm	54 x 54.5mm	86.4 x 85 mm (after 1936: 81.8 x 95)	58 X 47 mm	77.0 x 53.6 mm	58 X 47 mm
Cooling System:	Air cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled
Induction:	Keihin NCV F20 carburetor	Integrated electronic engine management system. Indirect multipoint electronic injection, Ø57 mm throttle bodies.	Dell'Orto PHBH 28 carburetor	Carburetor, large bore down draught Amal	Magneti Marelli M3G Ã¸ 32mm ECU	TK/MV34 carburetor	Magneti Marelli M3G Ã¸ 32mm ECU
Starting:	Electric and kick	Electric	Electric	Kick start	Electric	Electric	Electric
Max Power:	3.4 kW / 4.6 hp @ 9500 rpm	102 kW / 139 hp @ 9500 rpm	21 kW / 28 hp @ 10500 rpm	17.9 kW / 24 hp @ 6000 rpm	11.7 kW / 16 hp @ 10500 rpm	27 hp / 19.7 kW @ 9000 rpm	11.7 kW / 16 hp @ 10500 rpm
Transmission:	Continuous automatic variator	6 Speed	6 Speed	4-Speed	6 Speed	6 Speed	6 Speed
Final Drive:	V-belt	Chain	17:40	Chain	Chain: 60/13 (4.61)	Chain	Chain: 60/13 (4.61)
Frame:	High strength steel single cradle	Box section sloping twin-spar frame in aluminium alloy. Removable aluminium alloy saddle mount frame.	Cast aluminium, reinforced box section, sloping twin-spar frame	Semi double cradle	Aluminum perimeter frame	Twin Spar Trellis main frame. T6 Aluminum Trellis with forger dropouts swing arm.	Aluminum perimeter frame
Front Suspension:	Telescopic hydraulic fork	Öhlins Racing Ø43 mm upside-down fork with adjustment for spring preload, compression and rebound damping	Upside-down forks, Ø 40mm	Grider front forks	Ø41 mm Upside down fork	Telescopic forks	Ø40 mm Upside-down hydraulic action telescopic fork
Rear Suspension:	Engine acts as a swingarm, one hydraulic shock absorber with preload adjustment	Aluminium alloy double member swingarm. APS (Aprilia Progressive System) rising rate linkages. Öhlins Racing piggy-back monoshock with adjustment for spring preload, compression and rebound damping.	Monoshock, cast aluminium box section swingarm with asymmetric members	Rigid, springloaded saddle (after 1954: dual shocks)	Asymmetric swingarm with monoshock	Monoshock, pre-load adjustment	Cast Aluminium swing-arm with asymmetrical members and thin walled structural shell. Hydraulic monoshock with adjustable spring preload
Front Brakes:	Ø220 mm Disc brake with two-piston floating caliper	2 x Ø320mm floating discs, stainless steel, 4 piston calipers, Brembo Gold	Single 320 mm floating discs, 4 piston radial caliper	Drum	Single 300 mm disc, 4 piston caliper	Single disc	Single Ø320 mm disc, 4 piston caliper
Rear Brakes:	Ø140 mm Drum brake	Single Ø220 mm stainless steel disc, 2 piston caliper, Brembo Gold	Single 220 mm disc, 2 piston caliper	Drum	Single 218 mm disc, 1 piston caliper	Single disc	Single Ø220 mm disc, 2 piston caliper
Fuel Capacity:	7 Litres / 1.9 US gal	18 L / 4.8 US gal	14 Litres / 3.7 US gal	14.8 L / 3.9 US gal	14.5 Litres / 3.8 US gal	6.7 Litres / 1.7 US gal	14 Litres / 3.7 US gal