Harley-Davidson Harley Davidson Pan America 1250 (2021) vs Kawasaki VN 750 Vulcan (1991-96) vs Kawasaki Z 1000 MKII (1979-80) vs Kawasaki GPX 250R / EX250 Ninja / ZZR 250 (1990-92)
Comparison technical specifications
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| Make: | Harley-Davidson | Kawasaki | Kawasaki | Kawasaki |
| Model: | Harley Davidson Pan America 1250 | VN 750 Vulcan | Z 1000 MKII | GPX 250R / EX250 Ninja / ZZR 250 |
| Years: | 2021 | 1991-96 | 1979-80 | 1990-92 |
| Engine: | Four stroke, 60° V-twin Revolution Max 1250, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake & exhaust VVT, four valves per cylinder | Four stroke, V-Twin, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder. | Four stroke, parallel twin, DOHC , 4 valve per cylinder |
| Capacity: | 1252 cc / 76.3 cu-in | 749 cc / 45.7 cu-in | 1015 cc / 61.9 cu-in | 248 cc / 15.2 cu-in |
| Bore x Stroke: | 105 x 72 mm | 84.9 x 66.2mm | 69.4 х 66 mm | 62 х 41.2mm |
| Compression Ratio: | 13.0:1 | 10.3:1 | 8.7:1 | 12.4:1 |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled | Liquid cooled |
| Induction: | Electronic Sequential Port Fuel Injection (ESPFI) | 34mm Keihin CVK34 carburetor | 4x 28mm Mikuni carburetors | 2x Keihin CVK30 Constant velocity, diaphragm-type |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 150 hp / 112 kW @ 9000 rpm | 66 hp / 48.1 kW @ 7500 rpm | 93 hp / 69.3 kW @ 8000 rpm | 45 hp / 33.5 kW @ 11000 rpm |
| Max Torque: | 127 Nm / 94 lb-ft @ 6750 rpm | 6.5 kgf-m / 64.7 Nm @ 6000 rpm | 8.1 kgf-m / 58.5 lb-ft @ 6500 rpm | 24 Nm / 17.7 lb-ft @ 10000 rpm |
| Transmission: | 6 Speed | 5 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain, 19/48 ratio | Shaft | Chain | Chain |
| Front Suspension: | 47mm inverted fork with compression, rebound and spring preload adjustability. Aluminum fork triple clamps. | Telescopic fork | Oil telescopic forks | Telescopic forks |
| Rear Suspension: | Linkage-mounted, piggyback monoshock with compression, rebound and hydraulic spring preload adjustability | Dual shocks, air-adjustable preload and 4-position rebound damping | Swinging arm oil damper 5-way spring preload | UNI-TRAK single shock |
| Front Brakes: | 2x 320mm discs, radially mounted, monoblock, 4-piston caliper | 2x 226mm discs 2 piston calipers | 2x 240mm discs 1 piston caliper | Single 260mm disc |
| Rear Brakes: | Single 280mm disc, floating, single piston caliper | Drum | Single 250mm disc 2 piston caliper | Single 230mm disc |
| Front Tyre: | 120/70R19 60V | 100/90-19 | 3.25-19 | 100/80-16 |
| Rear Tyre: | 170/60R17 72V | 150/90-15 | 4.00-18 | 130/80-16 |
| Dry Weight: | 228 kg / 503 lbs | 219 kg / 483 lbs | 245 kg / 540 lbs | 138 kg / 304 lbs |
| Fuel Capacity: | 21.2 Litres / 5.6 US gal | 13.5 Litres / 3.6 US gal | 14.8 Litres / 3.9 US gal | 18 Litres / 4.7 US gal |