Suzuki GS 425L (1979) vs Yamaha RS 100 (1976-77) vs Suzuki GSX 750E (1981) vs Cagiva Mito 125 Special Editions (1999) vs Harley-Davidson Harley Davidson FXB 1340 Sturgis (1980)
Comparison technical specifications
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| Make: | Suzuki | Yamaha | Suzuki | Cagiva | Harley-Davidson |
| Model: | GS 425L | RS 100 | GSX 750E | Mito 125 Special Editions | Harley Davidson FXB 1340 Sturgis |
| Years: | 1979 | 1976-77 | 1981 | 1999 | 1980 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder. | Two stoke, torque induction, single | Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder. | Two stroke, single cylinder, electric variable power read valve | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder. |
| Capacity: | 423 cc / 25.8 cu in | 97 cc / 5.9 cu-in | 747 cc / 45.5 cu-in | 125.6 cc / 7.6 cu-in | 1337 cc / 81.5 cu-in |
| Bore x Stroke: | 67 x 60 mm | 52 x 45.6 mm | 67 х 53 mm | 56 x 50.6 mm | 88.8 x 108 mm |
| Compression Ratio: | 9.1:1 | 7.0 : 1 | 9.4:1 | 6.3:1 | 7.4:1 |
| Cooling System: | Air cooled | Air cooled | Air cooled | Liquid cooled | Air cooled |
| Induction: | 2 x 34 mm Mikuni carburetors | VM20SH carburetor | 4 x 32 mm Mikuni BS 32 carburetors. | Dell'Orto carb | 38mm Keihin carburetor |
| Starting: | Electric and kick | Kick | Electric | Electric | Electric |
| Max Power: | 29.8 kW / 40 hp @ 7000 rpm | 11 hp / 8.1 kW @ 8500rpm | 59 kW / 79 hp @ 9200 rpm | 34 hp / 24.8 kW @ 12000 rpm | 67 hp @ 5800 rpm |
| Transmission: | 6 Speed | 5 Speed | 5 Speed | 6 Speed | 4 Speed |
| Final Drive: | Chain | Chain | Chain | Chain | Belt |
| Front Suspension: | Telescopic fork | Telescopic forks | Telescopic leading axle fork | 40mm Marzocchi telescopic forks | Telescopic forks |
| Rear Suspension: | Twin shocks, coil spring over | Dual shocks | Dual shocks with 5-way spring preload | Progressive with hydralyc shock, adjustable spring preload | Swinging fork. |
| Front Brakes: | Single disc, 11in | Drum | 2 x 275mm discs, 1 piston caliper | Single 320mm disc 4 piston caliper | Single 255mm disc |
| Rear Brakes: | Drum, 7 in | Drum | Single 275mm disc, 1 piston caliper | Single 230mm disc 2 piston caliper | Single 255mm disc |
| Front Tyre: | 3.00-18 | 2.75-18 | 3.25-19 | 110/70 ZR17 | MJ 90-19 |
| Rear Tyre: | 3.75-18 | 3.00-18 | 4.00-18 | 150/60 ZR17 | MT 90-16 |
| Fuel Capacity: | 15 Litres / 4.0 US gal / 3.3 Imp gal | 10 Litres / 2.6 US gal | 19 Litres / 5.0 US gal / 4.2 Imp gal | 14 Litres / 3.7 US gal | 12.5 Litres / 3.3 US gal |