Moto Guzzi Stelvio 1200 NTX (2009-10) vs MV Agusta 125S SE (1974-77) vs MV Agusta 98 Turismo (1945-48)
Comparison technical specifications
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| Make: | Moto Guzzi | MV Agusta | MV Agusta |
| Model: | Stelvio 1200 NTX | 125S SE | 98 Turismo |
| Years: | 2009-10 | 1974-77 | 1945-48 |
| Engine: | Four stroke, 90° V twin, longitudinally mounted, OHV, 4 valve per cylinder. | Four stroke, single cylinder, pushrod, 2 valve | Two stroke, single cylinder |
| Capacity: | 1151 cc / 70.2 cu-in | 123.5 cc / 7.5 cu-in | 98 cc / 5.9 cu-in |
| Bore x Stroke: | 95 x 81.2 mm | 53 x 56 mm | 48 x 54 mm |
| Cooling System: | Air cooled, | Air cooled | Air cooled |
| Compression Ratio: | 11.0:1 | 9.5:1 | 6.0:1 |
| Lubrication: | Wet sump | Wet sump | 8% mixture |
| Induction: | Weber-Marelli electronic fuel injection with stepper motor control | Carburettor | 16 mm Carburettor |
| Ignition: | Inductive discharge, digitally controlled, electronic twin spark ignition | Electronic | Flywheel magneto |
| Starting: | Electric | Kick | Kick |
| Max Power: | 105 hp / 77 kW @ 7250 rpm | 10.2 kW 14 hp @ 8500 rpm | 2.6 kW / 3.5 hp @ 4500 rpm |
| Clutch: | Single plate with integrated flexible couplings | Wet multiple plate clutch | Wet multiple plate clutch |
| Transmission: | 6 Speed | 5 Speed | 2 speeds (3 speed version from 1946) |
| Final Drive: | Shaft | Chain | Chain |
| Frame: | Tubular twin cradle, high tensile steel | Open double cradle tubular and pressed steel | Closed tubular steel cradle |
| Front Suspension: | Completely adjustable upside-down fork spring preload and hydraulic compression and rebound damping with mounting bracket for radial brake calliper, | Hydraulic telescopic forks | Girder forks (telescopic fork on Lusso) |
| Rear Suspension: | Single-sided swing-arm with progressive linkage and monoshock with adjustable hydraulic rebound and dial for setting spring preload | Dual shocks | Plunger-box |
| Front Brakes: | 2x 320mm discs 4 piston caliper, ABS | Single 260mm disc | 125mm Drum |
| Rear Brakes: | Single 282mm disc 2 piston caliper, ABS | 160mm Drum | 125mm Drum |
| Front Tyre: | 110/80 ZR19 | 2.75 -18 | 2.50-19 |
| Rear Tyre: | 180/55 ZR17 | 3.00 -18 | 3.00x19 |
| Dimensions: | Length 2250 mm / 88.5 in Width 1050 mm / 41.3 in Height 1480 mm / 58.2 in | Length 1940 mm / 76.3 in Width 640 mm / 25.1 in | Length 1910 mm / 75.2 in Width 610 mm / 24.0 in |
| Wheelbase: | 1535 mm / 60.4 in | 1300 mm / 21.1 in | 1250 mm / 49.2 in |
| Fuel Capacity: | 32 Litres / 8.5 US gal | 19 Litres / 5.0 US gal | 9 Litres / 2.3 US gal |