MV Agusta Brutale 675 (2015) vs Yamaha WR 125X (2011-12) vs Aprilia RS4 50 Replica (2015) vs MV Agusta F4R (2015) vs BMW R 100RS (1982-83)
Comparison technical specifications
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| Make: | MV Agusta | Yamaha | Aprilia | MV Agusta | BMW |
| Model: | Brutale 675 | WR 125X | RS4 50 Replica | F4R | R 100RS |
| Years: | 2015 | 2011-12 | 2015 | 2015 | 1982-83 |
| Engine: | Four stroke, transverse three cylinder. DOHC, 4 Valve per cylinder | Four stroke, forward inclined single cylinder, DOHC, 4 valve | Two stroke, single cylinder | Four stroke, transverse four cylinder. DOHC, 4 radial valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder |
| Capacity: | 675 cc / 41.2 cu-in | 124.7 | 49.9 cc / 3.05 cub in. | 998 cc / 60.9 cu-in | 980 cc / 59.8 cub in. |
| Bore x Stroke: | 79 x 45.9 mm | 52 x 58.6 mm | 39.9 x 39.9 mm | 76 x 55 mm | 94 x 70.6 mm |
| Cooling System: | Liquid cooled | LLiquid cooled | Liquid cooled | Liquid cooled, | Air cooled |
| Compression Ratio: | 12.0:1 | 11.2:1 | 11.5:1 | 13.4:1 | 9.5:1 |
| Starting: | Electric | Electric | Electric | electric | Electric |
| Clutch: | Wet, multiple discs, cable operated | Wet, multiple coil spring | Multiple discs in oil bath | Wet, multi-disc with back torque limiting device | Dry single plate, with diaphragm spring |
| Transmission: | 6 Speed | 5 Speed | 6-Speed | Cassette styl 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain | Chain | Shaft |
| Frame: | ALS Steel tubular trellis, Rear swing arm pivot plates: material Aluminium alloy | Steel double cradle | Aluminium | Type CrMo Steel tubular trellis Rear swing arm pivot plates material Aluminium alloy | Double sown tubs, dual cradle |
| Front Suspension: | 43mm“UPSIDE - telescopic hydraulic fork, | Telescopic fork | Upside down fork, Ø41 mm | 50mmMarzocchi “UPSIDE - DOWN” telescopic hydraulic fork with adjustable rebound-compression damping and external spring preload | Telescopic fork with hydraulic shock absorber. |
| Rear Suspension: | Progressive, single shock absorber with spring preload adjustment | Swinging arm link suspension | Asymmetric swingarm, monoshock | Progressive Öhlins TTX, single shock absorber with rebound and compression damping and spring preload adjustment Single sided swing arm material Aluminium alloy | Long swinging arm with adjustable strut. |
| Front Brakes: | 2x 320mm floating discs 4 pistons calipers | Single 298mm disc | Stainless steel disc, Ø 300 mm, 4-piston radial caliper | 2x floating 320mm discs and aluminium flange, Front brake caliper Brembo radial-type, single-piece with 4 pistons Ø 34 mm (Ø 1.34 in.) | 2 x ∅260mm discs, 2 piston calipers |
| Rear Brakes: | Single 220mm disc single piston caliper | Single 220mm disc | Stainless steel disc, Ø 218 mm, single piston caliper | Single 210mm disc Nissin with 4 pistons caliper | Simplex ∅200 mm drum |
| Front Tyre: | 120/70-ZR17 | 110/70-17 | 110/80-17 | 120/70 ZR17 | 3.25 - H19 |
| Rear Tyre: | 180/55-ZR17 | 140/70-17 | 130/70-17 | 200/55 ZR17 | 4.00 - H18 |
| Wheelbase: | 1380 mm / 54.3 in | 1430 mm / 56.3 in | 1350 mm / 53.1 in | 1430 mm / 56.27 in | 1465 mm / 57.67 in |
| Seat Height: | 812 mm / 31.9 in | 920 mm / 36.2 in | 820 mm / 32.3 in. | 830 mm / 2.68 in | 820 mm / 32.3 in |
| Fuel Capacity: | 17.5 Litres / 4.6 US gal | 8.5 Litres / 2..2 US gal | 14.5 Litres / 3.8 US gal | 17 Litres / 4.49. gal. | 24 Litres / 6.3 US gal |