BMW R 80/7 (1980-84) vs Honda CBR 1000RR Fireblade (2004) vs MV Agusta 750GT Turismo 4C 75 (1972-74) vs Honda SL 125 (1972-73) vs Honda XL 125V Varadero Travel (2007) vs AJS Model 18 500 (S, CS, Statesman) (1945-66) vs BMW K1600B Bagger (2017-18)
Comparison technical specifications
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Make: | BMW | Honda | MV Agusta | Honda | Honda | AJS | BMW |
Model: | R 80/7 | CBR 1000RR Fireblade | 750GT Turismo 4C 75 | SL 125 | XL 125V Varadero Travel | Model 18 500 (S, CS, Statesman) | K1600B Bagger |
Years: | 1980-84 | 2004 | 1972-74 | 1972-73 | 2007 | 1945-66 | 2017-18 |
Engine: | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder. | Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder | Four stroke, single cylinder. OHC, 2 valve | Four stroke, 90°-V Twin cylinder, OHC, 2 valves per cylinder | Single cylinder, 2 valve per cylinder, pushrod OHV | Four stroke, transverse six cylinder, 4 valves per cylinder |
Capacity: | 797.5 cc / 48.7 cu in. | 998 cc / 60.9 cu-in | 742.9 cc / 45.3 cu-in | 125 cc / 7.4 cu-in | 124 cc / 7.6 cu-in | 498 c / 30.4 cu in | 1649 cc / 100.6 cu in. |
Bore x Stroke: | 84.8 x 70.6 mm | 75 x 56.5 mm | 65 x 56 mm | 56.0 x 49.5 mm | 42 x 45 mm | 82.5 x 93 mm | 72 x 67.5 mm |
Cooling System: | Air cooled | Liquid cooled | Air cooled | Air cooled | Liquid cooled | Air cooled | Liquid cooled |
Compression Ratio: | 9.2:1 | 11.9:1 | 9.5;1 | 9.5:1 | 11.8:1 | 6.90:1 (with compression plate) 7.24:1 (with no compression plate) | 12.2:1 |
Induction: | 2 x Bing constant depression carburetors | PGM-DSFI electronic fuel injection. 44mm Throttle Bore | 4x DeU'Orto UB24B2 e UB24BS2.carburetors | Keihin Carburetor | PGM-FI electronic fuel injection 30mm throttle bore | Carburetor, type 89B/IAK | 52mm Throttle valve diameter, BMS-X |
Ignition: | Battery ignition | Computer-controlled digital transistorized with electronic advance | 12 V battery and automotive type distributor coil | Points and Condensor | Digital transistorized | Lucas magneto | Digital CDI |
Starting: | Electric | Electric | Electric | Kick | Electric | Kick | Electric |
Max Power: | 55 hp / 40 KW @ 6500 rpm | 126,4 kW / 172 hp @ 11250 rpm | 68.5 hp / 50.4 kW @ 8450 rpm | 12 hp / 8.8 kW @ 7900 rpm | 15 hp / 10.9 kW @ 11000 rpm | 20.9 kW / 28 hp @ 5600 rpm | 118 kW / 160.5 hp @ 7750 rpm |
Transmission: | 5 Speed | 6 Speed | 5 Speed | 5 Speed | 5 Speed | 4 Speed, Burman gearbox | Constant-mesh 6-speed gearbox, helical cut |
Front Suspension: | Telescopic hydraulic forks. | 43mm inverted HMAS cartridge fork with spring preload, rebound and compression damping adjustability; | Telescopic hydraulic forks | 35mm Telescopic forks | Hydraulic telescopic fork | Dual longitudinal control arm, Dynamic ESA semi-active suspension (road and dynamic modes) | |
Rear Suspension: | Long swinging arm with adjustable strut. | Pro-Link single shock with spring preload, rebound and compression damping adjustability; | Swinging arm and spring load-adjusting shock absorbers | Dual shocks | Pro-Link single-shock with preload | Swinging arm, dual shocks | Paralever (single-sided swing arm), central spring strut, rebound/continuously variable, Dynamic ESA semi-active suspension (road and dynamic modes) |
Front Brakes: | 2 x ∅260mm discs, 1 piston caliper | 2x 310mm discs 4 piston calipers | Drum | Drum | Single 276 mm disc 2 piston caliper | Drum | 2 x 320mm discs, 4 piston calipers |
Rear Brakes: | Single ∅200mm Drum | Single 220mm disc 1 piston calliper | Drum | Drum | Single 220 mm disc 1 piston caliper | Drum | Single 320mm disc, 2 piston caliper |
Front Tyre: | 3.25 - H19 | 120/70 ZR17 | 3.50-18 | 2.75-21 | 100/90-18 | 3.25 -19 | 120/70 ZR17 |
Rear Tyre: | 4.00 - H18 | 190/50 ZR17 | 4.00-18 | 3.25-18 | 130/80-17 | 34.25 -19 | 190/55 ZR17 |
Fuel Capacity: | 24 Litres / 6.3 gal | 18 Litres / 4.8 gal | 24 Litres / 6.3 US gal | 7.5 Litres / 1.9 gal | 17.5 Litres / 4.6 US gal | Rigid, Spring frame: 13 L / 4.23.4 US gal Competition: 10.2 L / 2.7 US gal | 26.5 Litres / 7.0 US gal |