BMW R 1250GS / Exclusive / HP (2020) vs Kawasaki Versys 650 (2019) vs Aprilia RS 660 Extrema (2023)
Comparison technical specifications
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| Make: | BMW | Kawasaki | Aprilia |
| Model: | R 1250GS / Exclusive / HP | Versys 650 | RS 660 Extrema |
| Years: | 2020 | 2019 | 2023 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, with two overhead, spur gear driven camshafts , a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, Intake 40mm, outlet 34 mm | Four stroke, parallel twin, DOHC, 4 valves per cylinder | Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder |
| Capacity: | 1254 cc / 76.5 cu-in | 650 cc / 39.6 cu-in | 659 cc / 40.2 cu-in |
| Bore x Stroke: | 102.5 x 76 mm | 83 X 60mm | 81 x 63.93 mm |
| Compression Ratio: | 12.5:1 | 10.6:1 | 13.5: 1 |
| Cooling System: | Liquid / Air cooled | Liquid cooled | Liquid cooled with radiator and water-oil heat exchanger |
| Induction: | Electronic intake pipe injection, 52mm Ø throttle valve | Fuel injection, 2x 38 mm Keihin | Airbox with front air intake. 2 ∅48 mm throttle bodies, Ride-By-Wire management |
| Starting: | Electric | Electric | Electric |
| Max Power: | 136 hp / 100 kW @ 7750 rpm | 51 kW / 69 hp @ 8500 rpm | 100 hp / 73.5 kW @ 10500 rpm |
| Max Torque: | 143 Nm / 105.4 lb-ft @ 6250 rpm | 64 Nm / 6.5 kgƒ·m @ 7000 rpm | 67.0 Nm / 6.83 kgm @ 8500 rpm |
| Clutch: | Wet clutch with anti-hopping function, hydraulically activated | Wet multi-disc, manual | Wet, multi-plate, slipper |
| Transmission: | Constant mesh 6-speed gearbox with helical gearing system | 6 Speed | 6 Speed, AQS Aprilia Quick Shift |
| Final Drive: | Shaft | Chain | Chain, with drive ratio: 17/43 |
| Frame: | Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine | Diamond, high-tensile steel | Double beam aluminium frame with detachable rear seat |
| Front Suspension: | BMW Motorrad 37mm Telelever, central spring strut | 41 mm inverted telescopic fork with stepless (right-side) adjustable rebound damping and adjustable preload. | Kayaba upside down fork ∅ 41 mm with counter spring, aluminium feet for fixing radial calipers. Adjustable for rebound, compression and spring preload. |
| Front Wheel Travel: | 190 mm / 7.4 in | 150 mm / 5.9 in | 120 mm / 4.7 in |
| Rear Suspension: | Cast aluminium single-sided swing arm with BMW Motorrad Paralever, WAD spring strut, continuously adjustable spring preload by means of hand wheel, rebound-stage damping adjustable by hand wheel (Option: Dynamic ESA) | Offset laydown single-shock with 13-way adjustable rebound damping and 7-way adjustable preload. | Aluminium swingarm with asymmetrical trusses. Monoshock with adjustable counter spring: rebound and spring preload. |
| Rear Wheel Travel: | 200 mm / 7.8 in | 145 mm / 5.7 in | 130 mm / 5.1 in |
| Front Brakes: | 2x 305mm floating discs, 4-piston radial brake calipers | 2x 300mm discs 2 piston calipers | 2x 320mm Brembo radial calipers with 4 32mm opposing pistons. Radial pump and metal braided brake hose |
| Rear Brakes: | Single 276mm disc, 2-piston floating caliper | Single 220mm disc 1 piston caliper | Single 220mm disc; Brembo calliper with 2 isolated ∅ 34mm pistons. Pump with integrated tank and metal braided hos |
| Front Tyre: | 120/70 R19 | 120/70ZR17 | 120/70 ZR 17 Tubeless radials |
| Rear Tyre: | 170/60 R17 | 160/60ZR17M | 180/55 ZR 17 (alternatively 180/60 ZR17) Tubeless radials |
| Trail: | 109 mm / 4.3 in | 110 mm / 4.3 in | 104.6 mm |
| Wheelbase: | 1525 mm / 60 in | 1415 mm / 55.7 in | 1370 mm / 53.9 in |
| Seat Height: | 850 mm to 870 mm / 33.5 in to 34.3 in 800 mm to 900 mm / 31.5 in to 35.4 in - Optional | 840 mm / 33.1 in | 815 mm / 32.0 in |
| Wet Weight: | 249 kg / 549 lbs | 217 kg / 476 lbs | 166 kg / 366 lbs |
| Fuel Capacity: | 20 Litres / 5.3 US gal | 21 Litres / 5.5 US gal | 15 Litres / 3.9 US gal |