Aprilia 125 Pegaso (1989-90) vs Honda VFR 750F-G (1986) vs KTM 690 SMC R (2020) vs Honda CM 125C (1986) vs Aprilia RS 660 / Factory (2025) vs Honda VFR 750F-M (1991)

Comparison technical specifications

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Make:	Aprilia	Honda	KTM	Honda	Aprilia	Honda
Model:	125 Pegaso	VFR 750F-G	690 SMC R	CM 125C	RS 660 / Factory	VFR 750F-M
Years:	1989-90	1986	2020	1986	2025	1991
Engine:	Two stroke, single cylinder, reed valves	Four stroke, 90°V-four cylinder, gear driven DOHC with rocker arm, 4 valve per cylinder	Single cylinder, 4-stroke, SOHC, 4-valve	Four stroke, parallel twin, OHC, 2 valve per cylinder	Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder	Four stroke, 90°V-four cylinder, DOHC, 4 valve per cylinder
Capacity:	124 cc / 7.6 cu in	748 cc / 45.6 cub in	690 cc / 42.1 cu in	125	659 cc / 40.2 cu-in	748 cc / 45.6 cub in
Bore x Stroke:	54 x 54.5mm	70 x 48.6 mm	105 x 80 mm	44.0 x 41 mm	81 x 63.93 mm	70 x 48.6 mm
Compression Ratio:	14.0:1	10.5:1	12.7:1	9.4;1	13.5: 1	11.0:1
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled with radiator and water-oil heat exchanger	Liquid cooled
Induction:	Ø34 mm Dell'Orto carburetor	4x 34.5mm Keihin VD carburetors	Keihin EFI (throttle body 50 mm)		Airbox with front air intake. 2 x 52 mm throttle bodies, Ride-By-Wire management	4x 36 mm Keihin CV carburetors
Starting:	Electric	Electric	Electric		Electric	Electric
Max Power:	23 kW / 31 hp @ 10000 rpm	77.4 kW / 106 hp @ 10500 rpm	72 hp / 54 kW @		105 hp / 73.5 kW @ 10500 rpm	74 kW / 102 hp @ 9500 rpm
Max Torque:	22.5 Nm / 2.3 kgf-m / 16.6 ft-lb @ 85000 rpm	66 Nm / 6.7kgf-m / 48.7 ft-lb @ 7500 rpm	73.5 Nm / 54 lb-ft @ 6500 rpm		68 NM / 50.2 lb-ft @ 8500 rpm	76.5 Nm / 7.8 kgf-m / 56.4 lb-ft @ 8500 rpm
Final Drive:	Chain	Chain	Chain, X-Ring 5/8 × 1/4 in	Chain	Chain, with drive ratio: 17/43	Chain
Front Suspension:	Ø41 mm Inverted telescopic forks	37mm Showa air assisted telescopic fork with TRAC Anti-Dive	WP USD XPLOR 48 forks	Telescopic forks	RS: ? 41 mm Kayaba USD fork, rebound and preload adjustable RS Factory: 43mm ?hlins NIX 30 fork, spring preload, rebound and compression damping adjustable	41mm Showa cartridge forks, no external adjustment
Rear Suspension:	Single chock preload adjustable	Pro-Link adjustable for preload only with remote adjuster	WP shock absorber with Pro-Lever linkage	Dual shocks	RS: Kayaba monoshock, rebound and preload adjustable?hlins STX rear shock, spring preload, rebound and compression damping adjustable RS Factory: ?hlins monoshock, fully adjustable	Pro-link single sided swingarm, adjustable preload
Front Brakes:	Single Ø300 mm disc, 2 piston caliper	2x 276mm discs, 2 piston calipers	Single 320mm disc, Brembo 4 piston floating caliper	Drum	2x 320mm Brembo radial calipers with 4 horizontally opposed 32 mm pistons. Radial pump and metal braided brake hose	2 x 296mm discs, 2 piston calipers
Rear Brakes:	Single Ø220 mm disc, 1 piston caliper	Single 256mm disc 2 piston caliper	Single 240 mm disc, Brembo single piston floating caliper	Drum	Single 220mm disc; Brembo caliper with two 34 mm separate pistons. Master cylinder with separate reservoir and metal braided hose Multimap ABS (Cornering ABS available as optional accessory)	Single 256mm disc,1 piston caliper
Front Tyre:	100/90-18	110/90 V16	120/70 ZR 17	3.25-18	120/70 ZR 17	120/70 VR17
Rear Tyre:	120/80-17	130/80 V18	160/60 ZR 17	110/90-16	180/55 ZR 17	170/60 VR17
Fuel Capacity:	14 Litres / 3.7 US gal	20 Litres / 5.3 US gal	13.5 Litres / 3.5 US gal	13 Litres	15 Litres / 4.0 US gal	19 Litres / 5.0 gal