Gilera Nordwest 350 (1991) vs KTM 640 Duke II (1998-00) vs Honda XL 600LM Limited Edition (1986) vs Honda CB 650SC Nighthawk (1982-83)
Comparison technical specifications
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| Make: | Gilera | KTM | Honda | Honda |
| Model: | Nordwest 350 | 640 Duke II | XL 600LM Limited Edition | CB 650SC Nighthawk |
| Years: | 1991 | 1998-00 | 1986 | 1982-83 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valves | Four stroke, single Cylinder. SOHC, 4 valves, engine balancer | Four stroke, single cylinder, SOHC, 4 valve per cylinder, RFVC radial valve | Four stroke, transverse four cylinder, SOHC, 2 valves per cylinder. |
| Capacity: | 348.8 cc / | 624.6 cc / 38.1 cu in | 589 cc / 35.6 cu-in | 626 cc / 38.2 cu-in |
| Bore x Stroke: | 80 x 69.4 mm | 101 x 78 mm | 100 x 75 mm | 59.8 x 55 mm |
| Compression Ratio: | 9.5:1 | 11.5:1 | 9.0:1 | 9.0:1 |
| Induction: | 2x 25mm Dell'Orto carburetor | Mikuni BST 40 carburetor | 2 x 28mm piston valve carburetor | 4x Keihin 26mm carburetors |
| Ignition: | CDI | Kokusan contactless DC-CDI ignition with advanced system | Solid state CD | Transistorized |
| Max Power: | 24 kW / 33ho @ 7500 rpm | 40.1 kW / 55 hp @ 7000 rpm | 33 kW / 45 hp @ 6500 rpm | 50 hp / 37 kW @ 8000 |
| Transmission: | 5 Speed | 5 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain, O-ring 5/8 x 1/4" | Chain | Chain |
| Front Suspension: | 41mm Telescopic forks, | WP - 4054 Roma Top adjuster, preload, compression and rebound adjustable | 39mm Showa air-adjustable leading-axle forks with dual Syntallic bushings | Showa air-spring, 39mm stanchion tube diameter, brake-actuated hydraulic anti-dive |
| Rear Suspension: | "Power Drive" monoshock | Central shock absorber WP IBS with PRO-LEVER linkage to rear- swing-arm with needle bearing | Pro-link with adjustable rebound damping | Dual Showa shocks, 5-way adjustable spring preload, 4-way adjustable rebound damping |
| Front Brakes: | 2x 270mm discs | Single 320 mm disc, 4 piston caliper | Single 240mm disc 2 piston calliper | 2x 275mm discs 2 piston calipers |
| Rear Brakes: | Single 240mm disc | Single 220 mm disc, 1 piston caliper | 140mm Drum | 180mm Drum |
| Front Tyre: | 120/60-17 | 120/70 - ZR17 58H | 3.00-21 | 3.50 -19 |
| Rear Tyre: | 160/60 -17 | 160/60 - ZR17 69H | 5.10-17 | 130/90 -16 |
| Fuel Capacity: | 12 Litres / 3.17 US gal | 11.3 L / 3.0 US gal / 2.4 Imp gal | 28 Litres / 7.4 US gal | 13.6 Litres / 3.6 US gal |