Aprilia AF1 125 Futura (1991-) vs Triumph Tiger 955i (2003) vs Suzuki GSX 1100EF (GS 1150EF) (1984) vs Honda CB 400 Super Four (2018-2021)
Comparison technical specifications
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| Make: | Aprilia | Triumph | Suzuki | Honda |
| Model: | AF1 125 Futura | Tiger 955i | GSX 1100EF (GS 1150EF) | CB 400 Super Four |
| Years: | 1991- | 2003 | 1984 | 2018-2021 |
| Engine: | Two stroke, single cylinder light alloy and barrel with GILNISIL surface coating | Four stroke, transverse three cylinder, DOHC, 4 valve per cylinder. | Four stroke, transverse four cylinders, DOHC, 4 valves per cylinder, | Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder |
| Capacity: | 124.7 cc / 7.6 cu in | 955 cc / 58.3 cu in | 1135 cc / 69.35 cu-in | 399 cc / 24.3 cu in |
| Bore x Stroke: | 54 x 54.5 mm | 79 x 65 mm | 74 x 66 mm | 55 x 42 mm |
| Compression Ratio: | 13.6:1 | 11.6:1 | 9.7:1 | 11.3:1 |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled | Liquid cooled, |
| Induction: | Dell'Orto Ø 34mm flat slide carburetor | Multipoint sequential electronic fuel injection | 4 x 36mm Mikuni carburetors | PGM-FI fuel injection |
| Ignition: | Electronic | Digital inductive type via electronic engine management. | Analogue CDI (Capacitive Discharge Ign.) | CDI |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 22.3 kW / 30 hp @ 8800 rpm | 83.6 kW / 104 hp @ 9500 rpm | 85 kW / 114 hp @ 8.700 rpm | 53 hp / 38.6 kW @ 11000 rpm |
| Max Torque: | 19.6 Nm / 2.0 kgf-m / 14.5 lb-ft @ 10000 rpm | 92 Nm / 9.38 kgf-m / 67ft.lbf @ 4400 rpm | 98 Nm / 10.0 kgf-m / 72.3 lb-ft @ 6500 rpm | 40.1 Nm / 29.5 lb-ft @ 7500 rpm |
| Transmission: | 6 Speed | 6 speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | X ring chain | Chain | Chain |
| Front Suspension: | Upside down fork, Ø 38 mm | 43 mm Fork with triple rate springs | 37mm Kayaba air assisted, adjustable spring preload and compression damping. | Telescopic forks |
| Rear Suspension: | Aprilia Progressive System with hydraulic single shock-absorber, 1120mm wheel travel | Monoshock with remotely adjustable preload and rebound damping | Single Kayaba shock, adjustable spring preload and rebound damping. | Single shock |
| Front Brakes: | Single Ø 320 mm disc, 4 piston caliper | 2 x 310 mm Discs, 2 piston calipers | 2 x 275 mm Discs, 2 piston calipers | 2x 296mm discs 4 piston calipers |
| Rear Brakes: | Single Ø 240 mm disc, 2 piston caliper | Single 285mm disc, 2 piston caliper | Single 275 mm disc, 1 piston caliper | Single 240mm disc 2 piston caliper |
| Front Tyre: | 100/80 -17 | 110/80 H19 | 110/90-V16 | 120/60 ZR17 |
| Rear Tyre: | 140/70 -17 | 150/70 H17 | 130/90-V17 | 160/60 ZR17 |
| Seat Height: | 800 mm / 31.5 in | 840-860 mm / 33.1-33.8 in | 835 mm / 32.9 in | 755 mm / 29.7 in |
| Dry Weight: | 114 kg / 251 lbs | 215kg / 474 lbs | 238 kg / 524 lbs | 175.0 kg / 385.8 lbs |
| Fuel Capacity: | 14.5 Litres / 3.8 US gal | 24 Litres / 6.3 US gal / 5.3 Imp gal | 20 Litres / 5.2 US gal / 4.4 Imp gal | 18 Litres / 4.75 gal |