KTM 250 EX/C Enduro (1997-98) vs Norton 650SS (1968)
Comparison technical specifications
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| Make: | KTM | Norton |
| Model: | 250 EX/C Enduro | 650SS |
| Years: | 1997-98 | 1968 |
| Engine: | Two stroke, single cylinder | Four stroke, parallel twin cylinder, push rod, 2 valves per cylinder. |
| Capacity: | 249 cc / 15.2 cu in | 647 cc / 39.5 cu in |
| Bore x Stroke: | 67.5 x 69.5 mm | 68 X 89 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 6.0:1 | 8.9:1 |
| Induction: | Keihin PWK 36 S AG Carburettor | 2 x Ø30 mm Amal concentric carburetors |
| Starting: | Kick | Kick |
| Transmission: | 5 Speed | 4 Speed |
| Final Drive: | Chain, 5/8" x 1/4" | Chain |
| Frame: | Central chrome-moly-steel frame | Featherbed duplex steel cradle |
| Front Suspension: | WP Extreme Ø 50 mm upsidedown fork | Telescopic forks |
| Rear Suspension: | WP Progressive Damping System shock absorber, aluminium swingarm | Dual shocks, 5-way adjustable |
| Front Brakes: | Single 260 mm disc, floating caliper | Ø203 mm Drum |
| Rear Brakes: | Single 220 mm disc, floating caliper | Ø178 mm Drum |
| Front Tyre: | 90/90 - 21" 54R | 3.25-19 |
| Rear Tyre: | 140/80 - 18" 70R | 4.00-18 |
| Dry Weight: | 108.2 kg / 238.5 lbs | 185 kg / 408 lbs |
| Fuel Capacity: | 9.5 Litres or 12 L / 2.5 US gal or 3.2 US gal | 13.5 L / 3.6 US gal |