Aprilia RSV 1000R (2008) vs Aprilia SX 125 (2010-) vs Yamaha FZ 600 (1988) vs KTM 450 EXC-F (2017-18)
Comparison technical specifications
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| Make: | Aprilia | Aprilia | Yamaha | KTM |
| Model: | RSV 1000R | SX 125 | FZ 600 | 450 EXC-F |
| Years: | 2008 | 2010- | 1988 | 2017-18 |
| Engine: | Four stroke, longitudinal 60°V twin, DOHC, 4 valves per cylinder | Two stroke, single cylinder Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard. | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder. | Four stroke, single cylinder, SOHC, 4 valves per cylinder |
| Capacity: | 997.6 cc / 60.9 cu-in | 125 cc / 7.6 cu-in | 599 cc / 36.5 cu-in | 449.3 cc / cu-in |
| Bore x Stroke: | 97 x 67.5 mm | 54 x 54.5 mm | 58.5 x 55.7 mm | 95 x 63.4 mm |
| Compression Ratio: | 11.8:1 | 12.5:1 | 10.0:1 | 11.9:1 |
| Induction: | Integrated electronic engine management system. Indirect multipoint electronic injection. Throttle body diameter 57mm. | Dell’Orto VHST 28 | 4X BS30 Mikuni carburetors | Keihin MX FCR 39 carburetor |
| Starting: | Electric | Kick | Electric | Electric |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain, 40/16 (2.5) | Chain | Chain | Chain X-Ring 5/8 x 1/4″ |
| Front Suspension: | Öhlins 43 mm diameter upside-down fork with adjustable compression rebound and preload | Upside down telescopic fork, Ø40 mm | 36mm Kayaba forks air pressure | WP 4860 MA upside-down fork |
| Front Wheel Travel: | 120 mm / 4.7 in | 260 mm / 10.2 in | 130 mm / 5.1 in | 300 mm / 11.8 in |
| Rear Suspension: | Aluminium alloy double banana swing arm, APS progressive system linkage. Sachs hydraulic shock-absorber with adjustable rebound, compression, preload and length | Steel swingarm. Hydraulic monoshock with piggy back cylinder | Showa single shock | WP Xplor PDS shock absorber |
| Rear Wheel Travel: | 133 mm / 5.2 in | 270 mm / 10.6 in | 120 mm / 4.5 in | 310 mm / 1.2 in |
| Front Brakes: | 2 x 320mm discs, 4 piston calipers | Single Ø260 mm disc, sliding 2 piston caliper, Brembo | 2x 269mm discs 2 piston caliper | Single 260 mm disc, floating caliper |
| Rear Brakes: | Single 220 mm disc, 2 piston caliper | Single Ø220 mm disc, sliding 1 piston caliper | Single 240mm disc 1 piston caliper | Single 220mm disc, floating caliper |
| Front Tyre: | 120/70 ZR17 | 110/70 17 | 100/90-16 | 90/90 - 21 |
| Rear Tyre: | 190/50 ZR17 | 150/60 17 | 120/80-18 | 140/80 - 18 |
| Dry Weight: | 189 Kg / 417 lbs | 115 kg / 254 lbs | 186 kg / 410 lbs | 106 kg / 233.7 lbs |
| Fuel Capacity: | 18 Litres / 4.8 US gal | 10 liters / 2.6 US gal | 16 Litres / 4.2 US gal | 8.5 Litres / 2.2 US gal |