Yamaha GX 750 Sport (1978-79) vs Yamaha RS 100 (1978-79)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | GX 750 Sport | RS 100 |
| Years: | 1978-79 | 1978-79 |
| Engine: | Four stroke, transverse three cylinder. DOHC | Two stoke, torque induction, single |
| Capacity: | 747 cc / 45.5 cu-in | 97 cc / 5.9 cu-in |
| Bore x Stroke: | 68 х 68.6 mm | 52 x 45.6 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 8.5:1 | 7.0 : 1 |
| Induction: | Mikuni Thorex SU type BS34 | VM20SH carburetor |
| Ignition: | Battery point | Magneto, CB/coil |
| Starting: | Electric | Kick |
| Max Power: | 67 hp / 50 kW @ 7000 rpm | 11 hp / 8.1 kW @ 8500rpm |
| Max Torque: | 6.3 kgf-m @ 6500 rpm | 10.1 Nm / 1.03 kgf-m @ 700rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Chain |
| Front Suspension: | Telescopic forks | Telescopic forks |
| Rear Suspension: | Dual shocks | Dual shocks |
| Front Brakes: | Single disc | Drum |
| Rear Brakes: | Single disc | Drum |
| Front Tyre: | F3.25-19 | 2.75-18 |
| Rear Tyre: | 4.00-18 | 3.00-18 |
| Dry Weight: | 229 kg / 502.6 lbs | 91 kg / 200.6 lbs |
| Fuel Capacity: | 17 Litres / 4.5 US gal | 10 Litres / 2.6 US gal |