Benelli 654 Turismo (1980) vs Suzuki Boulevard / Intruder M109R B.O.S.S. (2016-17) vs Suzuki GSX 750S3 Katana (1984) vs BMW K1 (1991-92) vs Suzuki 1981 ()
Comparison technical specifications
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| Make: | Benelli | Suzuki | Suzuki | BMW | Suzuki |
| Model: | 654 Turismo | Boulevard / Intruder M109R B.O.S.S. | GSX 750S3 Katana | K1 | 1981 |
| Years: | 1980 | 2016-17 | 1984 | 1991-92 | |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder | Four stroke, 54° V-Twin | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four-stroke, horizontal in line four cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 603.9 cc / 36.9 cu in | 1786 cc / 109 cu. in | 747 cc / 45.5 cu-in | 987 cc / 60.2 cu in | 1074 cc / 65.5 cu in |
| Bore x Stroke: | 60 x 53.4 mm | 112 x 90.5 mm | 67 x 53 mm | 67 x 70 mm | 72 x 66 mm |
| Compression Ratio: | 9.3:1 | 10.5:1 | 9.4:1 | 11.0:1 | 9.5:1 |
| Cooling System: | Air cooled | Liquid cooled | Air cooled | Liquid cooled | Air cooled |
| Induction: | 4 x 22mm Dell'Orto carbs | EFI, 2 x 56mm throttle bodies | 4 x 32 mm Mikuni RS32SS carburetors | Electronic injection, Bosch Motronic | 4 x Mikuni BS34SS |
| Starting: | Electric | Electric | Electric | Electric | Electric |
| Max Power: | 44.7 kW / 60 hp @ 8700 rpm | 92 kW / 123 hp @ 6200 rpm | 62.6 kW / 84 hp @ 9500 rpm | 72.9 kW / 100 hp @ 8000 rpm (rear tyre: 70.1 kW / 94.0 hp @ 8400 rpm) | 83.9 kW / 111 hp / @ 9500 rpm |
| Max Torque: | 5.1 Nm / 5.1 kgf-m / 37 ft-lb @ 7000 rpm | 160 Nm / 16.3 kgf-m / 118 lb-ft @ 3200 rpm | 68 Nm / 6.93 kgf-m / 50.2 lb-ft @ 8500 rpm | 100 Nm / 10.2 kgf-m / 74 ft lb @ 6750 rpm | 97.1 Nm / 9.9 kgf-m / 70.9 lb-ft @ 6500 rpm |
| Transmission: | 5 Speed | 5 Speed | 5 Speed constant mesh | 5 Speed | 5 Speed |
| Final Drive: | Chain | Shaft | Chain Daido D.I.D 630V, 96 links | Shaft | Chain, Daido D.I.D 630YL, 96 links |
| Front Suspension: | Tele-hydraulic forks | Inverted, 46mm stanchions | Telescopic, preload adjustable and hydraulic anti-dive. | Telescopic fork with hydraulic shock absorber | Telescopic, oil damped, spring 4-way adjustable with anti-dive |
| Rear Suspension: | Swinging arm, adjustable shocks | Single damper, preload adjustable | Monoshock | Monolayer swinging arm | Dual shock oil damped, damper 4-way, spring 5-way adjustable |
| Front Brakes: | 2 x 265 mm discs | 2 x 310mm discs, 2 piston calipers | 2 x 275mm Discs, 2 piston calipers | 2 x 305mm discs, 4 piston calipers | 2 x 275 mm Discs, 2 piston calipers |
| Rear Brakes: | Single 260 mm disc | Single 274mm disc, 2 piston caliper | Single 255 mm disc, 1 piston caliper | Single 285mm disc, 1 piston caliper | Single 275 mm disc, 1 piston caliper |
| Front Tyre: | 3.25 -18 | 130/70 R18 | 3.25 H16 | 120/70 ZR17 | 3.50 - V19 |
| Rear Tyre: | 3.50 -18 | 240/40 R18 | 4.00 H17 | 160/60 ZR18 | 4.50 - V17 |
| Fuel Capacity: | 12 Litres / 3.2 US gal | 19 Litres / 4.3 US gal | 22 Litres / 5.8 US gal / 4.8 Imp gal | 22 L / 5.8 US gal | 22 L / 5.8 US gal / 4.8 Imp gal |