Yamaha IT 175 (1983) vs BMW M 1000RR / M Package (2023) vs Aprilia Caponord 1200 Rally (2015) vs Suzuki GSX 1100EF (GS 1150EF) (1984)
Comparison technical specifications
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| Make: | Yamaha | BMW | Aprilia | Suzuki |
| Model: | IT 175 | M 1000RR / M Package | Caponord 1200 Rally | GSX 1100EF (GS 1150EF) |
| Years: | 1983 | 2023 | 2015 | 1984 |
| Engine: | Two stroke, single cylinder, reed-valve inducted | Four stroke, transverse four cylinder, DOHC, 4 titanium valves per cylinder and BMW ShiftCam | Four stroke, longitudinal 90°V twin, DOHC with mixed gear/chain timing system, 4 valves per cylinder Twin Spark | Four stroke, transverse four cylinders, DOHC, 4 valves per cylinder, |
| Capacity: | 171 cc / 10.4 cu-in | 999 cc / 60.9 cu-in | 1197 cc / 73.0 cu in | 1135 cc / 69.35 cu-in |
| Bore x Stroke: | 66 x 50mm | 80 x 49.7 mm | 106 x 67.8 mm | 74 x 66 mm |
| Cooling System: | Air cooled | Water/oil cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 7.9:1 | 13.5:1 | 12.0 ± 0.5 : 1 | 9.7:1 |
| Starting: | Kick | Electric, 0.8 kW | Electric | Electric |
| Max Power: | 19.86 hp / 14.6 kW @ 8000 rpm | 158 kW / 212 hp @ 14500 rpm | 125 hp / 91.9 kW @ 8500 rpm | 85 kW / 114 hp @ 8.700 rpm |
| Max Torque: | 18.47 Nm / 13.63 lb-ft @ 7500 rpm | 113 Nm / 83 lb-ft @ 11000 rpm | 114 Nm / 11.6 kgf-m / 84.6 lb/ft @ 6500 rpm | 98 Nm / 10.0 kgf-m / 72.3 lb-ft @ 6500 rpm |
| Clutch: | Wet, multi-disc | Multiplate clutch in oil bath, slipper clutch | Multiple discs in oil bath, hydraulically operated | Wet, multiple discs, cable operated |
| Transmission: | 6 Speed | Claw-shifted 6-speed gearbox with straight cut gears | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain 525 17/46 | Chain. | Chain |
| Frame: | Single-downtube, full cradle, chromoly frame, box section aluminum swingarm | Bridge-type frame, cast aluminium, load-bearing engine | Modular tubular steel frame fastened to aluminum side plates by high strength bolts. Removable steel rear | Steel, double cradle frame |
| Front Suspension: | Telescopic forks | 45mm Upside-down telescopic fork, spring preload, rebound and compression stages adjustable | Sachs Ø43 mm upside-down front fork with fully adjustable compression and rebound damping and spring preload. | 37mm Kayaba air assisted, adjustable spring preload and compression damping. |
| Rear Suspension: | Monoshock with adjustable damping and pre-load | Aluminium swing arm, full floater pro, compression and rebound damping adjustable, adjustable spring preload | Sachs hydraulic shock absorber with adjustable rebound and preload | Single Kayaba shock, adjustable spring preload and rebound damping. |
| Front Brakes: | Drum | M 2x 320mm discs, M Brake 4-piston fixed caliper | 2x Ø320 mm stainless steel floating discs. Brembo four-piston radial callipers. Metal braided brake hoses. | 2 x 275 mm Discs, 2 piston calipers |
| Rear Brakes: | Drum | M single 220 mm disk, 2-piston fixed caliper | Single Ø240 mm stainless steel disc. Single piston Brembo caliper. Metal braided brake hose. Continental two channel ABS system and Aprilia Traction Control (ATC). | Single 275 mm disc, 1 piston caliper |
| Front Tyre: | 3.00 x 21 | 120/70 ZR17 | 120/70 -R19 | 110/90-V16 |
| Rear Tyre: | 4.10 x 18 | 200/55 ZR17 | 170/60 -R17 | 130/90-V17 |
| Wheelbase: | 1417 mm / 55.8 in | 1457 mm / 57.3 | 1564.6 mm / 61.6 in | 1 550 mm / 61.0 in |
| Seat Height: | 899 mm / 35.4 in | 832 mm / 32.7 in | 840 mm / 33.0 in | 835 mm / 32.9 in |
| Fuel Capacity: | 11 Litres / 2.9 US gal | 16.5 Litres / 4.4 US gal | 24 Liters / 6.34 US gal | 20 Litres / 5.2 US gal / 4.4 Imp gal |