Gilera RC 250 Rally (1985) vs Maico M250 SC (Supercross) (1984) vs KTM 990 Super Duke R (2012) vs KTM LC4 690 Rally Replica (2009)
Comparison technical specifications
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| Make: | Gilera | Maico | KTM | KTM |
| Model: | RC 250 Rally | M250 SC (Supercross) | 990 Super Duke R | LC4 690 Rally Replica |
| Years: | 1985 | 1984 | 2012 | 2009 |
| Engine: | Two stroke, single cylinder, reed valve | Single cylinder, two stroke | Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder | Four stroke, single Cylinder. SOHC, 4 Valve |
| Capacity: | 248.9 cc / 15.2 cu-in | 247 cc / 15.1 cub in. | 999.8 cc / 60.9 cu-in | 690 cc / 39.9 cu-in |
| Bore x Stroke: | 71 x 62 mm | 67 x 70 mm | 101 x 62.4mm | 102 x 80 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooling, | Liquid Cooled |
| Ignition: | Electronic | Motoplat | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment | Digital CDI |
| Starting: | Kick | Kick | Electric | Electric |
| Final Drive: | Chain | Chain | Chain, X-Ring 5/8 x 5/16" | Chain |
| Front Suspension: | Telescopic forks | Telescopic fork, air/oil, 42 mm | 48mm WP USD adjustable | 48mm WP USD forks |
| Rear Suspension: | Swing arm gas single shock | Single shock, Öhlins, adjustable for rebound | WP shock, fully adjustable | WP Monoshock with Pro-Lever linkage |
| Front Tyre: | 90/90-21 | 3.00 x 21 Metzeler | 120/70 ZR17 | 90/80 -R21 |
| Rear Tyre: | 2.50-17 | 4.50 x 18 Metzeler | 180/55 ZR17 | 130/80 -R18 |
| Fuel Capacity: | 9 L / 2.3 US gal | 18.5 Litres / 4.8 gal | 36 Litres / 9.5 gal |