Yamaha YDS-3C (1966-67) vs Yamaha XS 500 (1973-74)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
| Make: | Yamaha | Yamaha |
| Model: | YDS-3C | XS 500 |
| Years: | 1966-67 | 1973-74 |
| Engine: | Two stroke, piston-port, parallel twin, Crankshaft supported in four roller bearings; needle-roller small-end and big-end bearings. Light-alloy cylinder head; | Four stole, parallel twin cylinder. DOHC |
| Capacity: | 247 cc / 15.0 cu-in | 498 cc / 30.5 cu-in |
| Bore x Stroke: | 56 x 50 mm | 73 х 59.6 mm |
| Compression Ratio: | 7.5;1 | 9.0:1 |
| Cooling System: | Air-cooled | Air cooled |
| Induction: | 2x Mikunis VM24SC with air filter. Direct-operating, coupled air slides. | 2x 38mm Mikuni carburetor |
| Ignition: | Generator | Battery and coil |
| Starting: | Kick | Electric & kick |
| Max Power: | 24 hp @ 7500 rpm | 48 hp / 36.5 kW @ 8500 rpm |
| Max Torque: | 18.1 ft-lb 4.2 kgf-m @ 7500 rpm | 4.5 kgf-m / 32.5 lb-ft @ 6500 rpm |
| Transmission: | 5 Speed Helical-gear primary drive. Rear chain % x %in with top guard. Engine rpm at 30 mph in top gear, approximately 2,500. | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic forks with hydraulic damping. | Telescopic fork. |
| Rear Suspension: | Dual shocks swinging arm, Pivoted rear fork controlled by spring-and-hydraulic units with three-position adjustment for load. | Dual shocks swing arm, preload adjustable! |
| Front Brakes: | Drum | Single 267mm disc |
| Rear Brakes: | Drum | Drum |
| Front Tyre: | 3.00 -18 | 3.25-19 |
| Rear Tyre: | 3.25 -18 | 3.50-18 |
| Wet Weight: | 145 kg / 320 lbs | 207.7 kg / 458 lb |
| Fuel Capacity: | 11.4 Litres / 3.0 gal | 12.8 Litres / 3 4 US gal |