KTM 640 Duke II (2005-07) vs Münch -4 TTS-E 1200 Mammut (1973-75)
Comparison technical specifications
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| Make: | KTM | Münch |
| Model: | 640 Duke II | -4 TTS-E 1200 Mammut |
| Years: | 2005-07 | 1973-75 |
| Engine: | Four stroke, single Cylinder. SOHC, 4 valves, engine balancer | Four stroke, traversed four cylinder, OHC, 2 valve per cylinder NSU car engine |
| Capacity: | 624.6 cc / 38.1 cu in | 1176 cc / 71.7 cu-in |
| Bore x Stroke: | 101 x 78 mm | 75.0 x 66.6 mm |
| Compression Ratio: | 11.5:1 | 9.8:1 |
| Cooling System: | Liquid cooled | Air cooked |
| Induction: | Mikuni BST 40 carburetor | Einspritzer showing belt-driven Kugelfischer fuel injection pump with injectors fitted into manifold |
| Ignition: | Kokusan contactless DC-CDI ignition with advanced system | Battery and coil, Bosch 400 watt, 6 volt generator |
| Max Power: | 40.1 kW / 55 hp @ 7000 rpm | 100 hp |
| Clutch: | Multi-disc in oil bath | Wet multiplate clutch |
| Transmission: | 5 Speed | 4 Speed |
| Final Drive: | Chain, O-ring 5/8 x 1/4" | Enclosed-chain |
| Frame: | Central chrome-moly steel frame | Twin loop cradle |
| Front Suspension: | WP - 4054 Roma Top adjuster, preload, compression and rebound adjustable | Ko damper Telescopic forks |
| Rear Suspension: | Central shock absorber WP IBS with PRO-LEVER linkage to rear- swing-arm with needle bearing | Swinging arm, British Rickman or Italian Ceriani con panies, dual shocks |
| Front Brakes: | Single 320 mm disc, 4 piston caliper | 252mm Drum |
| Rear Brakes: | Single 220 mm disc, 1 piston caliper | Drum |
| Front Tyre: | 120/70 - ZR17 58H | 3.25-19 |
| Rear Tyre: | 160/60 - ZR17 69H | 4.00 -18 |
| Fuel Capacity: | 11.3 Litres / 3.0 US gal / 2.4 Imp gal | 24 Litres / 6.3 US gal |
| Top Speed: | 162 km/h / 101 mph | 220 km/h / 137 mph |