Yamaha XT 250 (1980) vs Aprilia RSV-4 Factory APRC Carbon Special Edition (2012) vs Harley-Davidson Harley Davidson XL 1200X Forty-Eight 115th Anniversary (2018)
Comparison technical specifications
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| Make: | Yamaha | Aprilia | Harley-Davidson |
| Model: | XT 250 | RSV-4 Factory APRC Carbon Special Edition | Harley Davidson XL 1200X Forty-Eight 115th Anniversary |
| Years: | 1980 | 2012 | 2018 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valve | Four stroke, longitudinal 65° V four , DOHC, 4 valves per cylinder | Evolution®, four stroke, 45° V-Twin, OHV, 2 valves per cylinder. |
| Capacity: | 249 cc / 15.2 cu-in | 999.6 cc / 61.0 cu-in | 1202 cc / 73.4 cu in. |
| Bore x Stroke: | 75 х 56.5 mm | 78 x 52.3 mm | 88.8 x 96.8 mm |
| Cooling System: | Air cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 9.2:1 | 13.0:1 | 10.0:1 |
| Induction: | Single 28mm Mikuni caruretor | Airbox with front dynamic air intakes. Variable length intake ducts controlled via ECU. 4 Weber-Marelli 48-mm throttle bodies with 8 injectors and latest generation Ride-by-Wire engine management. Choice of three different engine maps selectable by the rider with bike in motion: T (Track), S (Sport), R (Road) Magneti Marelli digital electronic ignition system integrated in engine control system, with one spark plug per cylinder and "stick-coil"-type coils | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition: | CDI | Electronic digital ignition integrated in the fuel management system. | Digital CDI |
| Starting: | Kick | Electric | Electric |
| Max Torque: | 2 kgf-m / 14.4 lb-ft @ 6500 rpm | 115 Nm / 11.7 kgf-m / 84.8 lb-ft @ 10000 rpm | 96 Nm / 9.8 kgf-m / 70.8 ft/lbs./ @ 3500 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Belt |
| Front Suspension: | Leading axle, coil spring forks | Öhlins Racing upside-down fork, 43-mm stanchions (with Tin surface treatment). Low profile forged aluminium radial | Front forks with cartridge dampening technology |
| Rear Suspension: | Swing arm single Kayaba shock | Twin sided aluminium swingarm; mixed low thickness and sheet casting technology. Öhlins Racing monoshock with piggyback with completely adjustable: spring preload, wheelbase and hydraulic compression and rebound damping. APS progressive linkages. | Emulsion technology rear shocks with 50 mm range of pre-load adjustability and an under-seat, rear shock suspension adjustment wrench |
| Front Brakes: | 130mm Drum | 2 x Ø320 mm diameter floating stainless steel disc with lightweight stainless steel rotor and aluminium flange with 6 pins. Brembo monobloc radial calipers with 4 x Ø34 mm opposite. Sintered pads. Radial pump and metal braided brake hose | Single ∅300mm disc, 2 x ∅38mm piston calipers |
| Rear Brakes: | 130mm Drum | Single Ø220 mm diameter disc, Brembo floating caliper with two Ø32 mm isolated pistons. Pump with integrated tank and metal braided hose | Single ∅300mm disc, 2 x ∅38mm piston calipers |
| Front Tyre: | 3.00-21 | 120/70 ZR17 | 130/90 B16 73H |
| Rear Tyre: | 4.60-17 | 200/55 ZR 17 (alternative: 190/50 ZR 17; 190/55 ZR17) | 150/80 B16 77H |
| Seat Height: | 840 mm / 33.0 in | 845 mm / 33.2 in | Unladen 710 mm / 28.0 in. |
| Ground Clearance: | 255 mm / 10.0 in | 130 mm / 5.1 in | 110 mm / 4.3 in |
| Fuel Capacity: | 8 Litres / 2.1 US gal | 17 Liters / 4.4 US gal | 7.9 L / 2.1 US gal |