Kawasaki AR 50 (1981-96) vs Yamaha YDS-7 (1972) vs Victory Hammer S (2007-08) vs BMW K 75RTA (1994)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
Remove bike |
Remove bike |
| Make: | Kawasaki | Yamaha | Victory | BMW |
| Model: | AR 50 | YDS-7 | Hammer S | K 75RTA |
| Years: | 1981-96 | 1972 | 2007-08 | 1994 |
| Engine: | Two stroke, single cylinder, disc valve. | Two stroke, piston-port, parallel twin | Four stroke, 50° V twin SOHC, 4 valves per cylinder | Four-stroke, horizontal three cylinder in-line, liquid cooled, DOHC, 2 valves per cylinder |
| Capacity: | 49 cc / 3.0 cu-in | 247 cc / 15.0 cu-in | 1634 cc / 100 cu-in | 740 cc / 45 cub. in. |
| Bore x Stroke: | 49 x 41.6 mm | 54 x 54 mm | 101 x 102 mm | 67 x 70 mm |
| Compression Ratio: | 7.8:1 | 7.5;1 | 9.8:1 | 11.0:1 |
| Induction: | Mikuni VM18SC Carburetor | 26mm Mikuni | Electronic Fuel Injection with 44mm throttle bodies | Electronic injection, Bosch LE-Jettronic |
| Starting: | Kick | Kick | Electric | Electric |
| Transmission: | 6 Speed | 5 Speed Helical-gear primary drive. Rear chain % x %in with top guard. Engine rpm at 30 mph in top gear, approximately 2,500. | 6 Speed | 5 speed |
| Final Drive: | Chain | Chain | Carbon Fiber Reinforced Belt | Shaft |
| Front Suspension: | Telescopic fork | 34mm Telescopic forks | 43mm Inverted cartridge telescopic fork | Telescopic fork with hydraulic shock absorber |
| Rear Suspension: | Swingarm with monoshock | Twin shock | Single, mono-tube gas forged and cast aluminum w/ rising-rate linkage | Monolever swinging arm. |
| Front Brakes: | Single 232mm disc | 180mm twin leading shoe drum | 2x 300mm floating rotor 4 piston caliper | 2 x ∅285mm discs, 2 piston calipers |
| Rear Brakes: | 130 drum | 180mm single leading shoe | Single 300mm floating rotor 2 piston caliper | Single ∅285mm disc, 1 piston caliper |
| Front Tyre: | 2.50–18 | 300 x 18 | 130/70 R18 | 100/90-V18 |
| Rear Tyre: | 2.75–18 | 3.25 x 18 | 250/40 R18 | 130/90-V17 |
| Fuel Capacity: | 9.8 Litres / 2.1 US gal | 11.4 Litres / 3.0 gal | 17 Litres / 4.5 US gal | 21 L / 5.5 US gal |