Matchless G80, G80C, G80 CS, G80S (1946-66) vs Yamaha TZR 125R Belgarda (1993-94) vs Yamaha XT660R (2006)
Comparison technical specifications
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| Make: | Matchless | Yamaha | Yamaha |
| Model: | G80, G80C, G80 CS, G80S | TZR 125R Belgarda | XT660R |
| Years: | 1946-66 | 1993-94 | 2006 |
| Engine: | Four stroke, single cylinder, pushrod | Two stroke, single cylinder, read valve, | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 498 cc / 30.3 cub in. | 124 cc / 7.6 cu-in | 659 cc/ 40.2 cu-in |
| Bore x Stroke: | 82.5 x 93 mm | 56.4 x 50 mm | 100 x 84 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 1946 onwards: 5.9:1 From 1956: 7.3:1 | 5.9:1 | 10.0: 1 |
| Ignition: | Magneto | CDI | TCI |
| Starting: | Kick | Kick | Electric |
| Max Power: | 21 kW / 28 hp @ 5600 rpm | 30 hp @ 11000 rpm | 33.8 kW / 48 hp @ 6000 rpm |
| Transmission: | 4-Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | G80L: Teledraulic fork G80: Girder fork | 39mm Upside-down forks | 43 mm Telescopic forks, |
| Rear Suspension: | G80: None, springloaded saddle G80S : Swingarm, springloaded | Monoshock adjustable preload | Oscillating arm standard Monocross. 200mm wheel travel |
| Front Brakes: | Drum | Single disc 4 piston caliper | Single 298mm disc 2 piston caliper |
| Rear Brakes: | Drum | Single disc 2 piston caliper | Single 245mm disc 1 piston caliper |