Yamaha XJ6 (2015) vs Yamaha R5-C 350 (1972)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | XJ6 | R5-C 350 |
| Years: | 2015 | 1972 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Piston port two stroke, parallel twin cylinder. |
| Capacity: | 600 cc / 36.6 cu-in | 347 cc / 21.2 cu in |
| Bore x Stroke: | 65.5 x 44.5 mm | 64 х 54 mm |
| Compression Ratio: | 12.2:1 | 6.9:1 |
| Cooling System: | Liquid cooled | Air cooled |
| Induction: | Group injection type fuel injection | 2 x Mikuni VM28 SC carburetors |
| Ignition: | TCI | Battery, dual coils, breaker points |
| Starting: | Electric | Kick |
| Max Power: | 78 hp / 57 kW @ 10000 rpm | 26.8 kW / 36 hp @ 7000 rpm |
| Max Torque: | 59.7 Nm / 6.1 kgf-m @ 8500 rpm | 37.9 Nm / 3.87 kgf-m / 28 ft-lb @ 6500 rpm |
| Clutch: | Wet Multi-plat disc | Multi-plate, wet |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Gear Ratios: | 1st 37/13 (2.846) 2nd 37/19 (1.947) 3rd 28/18 (1.556) 4th 32/24 (1.333) 5th 25/21 (1.190) 6th 26/24 (1.083) | 1st 18.37 / 2nd 11.40 / 3rd 8.55 / 4th 6.92 / 5th 5.78:1 |
| Frame: | Aluminium die-cast, diamond shaped | Duplex cradle frame |
| Front Suspension: | 43mm Telescopic fork, 130mm wheel travel | Telescopic fork |
| Rear Suspension: | Swingarm Link less type Monocross, 130mm wheel travel | Swingarm |
| Front Brakes: | 2x 298 mm discs | Drum, twin leading shoe |
| Rear Brakes: | Single 245 mm disc | Drum, single leading shoe |
| Front Tyre: | 120/70 ZR17 | 3.00-18 |
| Rear Tyre: | 160/60 ZR17 | 3.50-18 |
| Wheelbase: | 1440 mm / 56.7 in | 1320 mm / 52.0" |
| Ground Clearance: | 140 mm / 5.5 in | 155 mm / 6.1" |
| Wet Weight: | 205 kg / 452 lbs | 155 kg / 343 lbs |
| Fuel Capacity: | 17.3 Litres / 4.5 US gal | 12 L / 3.2 US gal |