Honda CB 1000R (2021) vs Yamaha YZF 1000R Thunder ace (2001) vs Honda CBR 600RR (2015) vs Honda CB 450 Black Bomber (1965-66)
Comparison technical specifications
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| Make: | Honda | Yamaha | Honda | Honda |
| Model: | CB 1000R | YZF 1000R Thunder ace | CBR 600RR | CB 450 Black Bomber |
| Years: | 2021 | 2001 | 2015 | 1965-66 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder | Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder |
| Capacity: | 998 cc / 60.9 cu-in | 1002 cc / 61.1 cu-in | 599 cc / 36.5 cu-in | 445 cc / 27.1 cu-in |
| Bore x Stroke: | 75 x 56.5 mm | 75.5 x 56 mm | 67 x 42.5 mm | 70 x 57.8 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 11.6:1 | 11.5:1 | 12.2:1 | 9.0:1 |
| Induction: | PGM-F1 Electronic fuel injection | 4x 38mm Mikuni BDSR38 with TPS carbs | Dual Stage Fuel Injection (DSFI) with 40mm throttle bodies, Denso 12-hole injectors | 2x 32mm Keihin carburetors |
| Ignition: | Computer controlled digital transistorized | Digital TCI | Computer-controlled digital transistorized with electronic advance and independent four-cylinder 3D-mapped computer control. | Coil with auto-advance, twin contact breaker |
| Starting: | Electric | Electric | Electric | Kick |
| Max Power: | 143.5 hp / 107kW @ 10500rpm | 145 hp / 106.7kW @ 10000 rpm | 118 hp / 88.1 kW @ 13500 rpm | 45 hp / 32.8 kW @ 9000 rpm |
| Max Torque: | 104 Nm / 77 ft-lb @ 8250 rpm | 108.3Nm / 11kgf-m @ 8500 rpm | 66 Nm / 48.6 lb-ft @ 11250 rpm | 37.4 Nm / 27.6 lb-ft @ 7000 rpm |
| Transmission: | 6 Speed | 5 speed | Close-ratio 6 Speed | 4 Speed |
| Final Drive: | #530 O-ring sealed chain | Chain | #525 O-ring chain | Chain |
| Frame: | Steel mono backbone | Aluminium, twin spar | Aluminium, twin spar | Tubular semi-duplex cradle with single front down-tube |
| Front Suspension: | Showa SFF-BP USD fork | 45mm forks, adjustable preload, bump and rebound. | 41mm inverted Big Piston Fork with spring preload, rebound and compression damping adjustability | Telescopic forks with two-way damping. |
| Rear Suspension: | Showa BRFC (Balance Free Rear Cushion) monoshock | Mono shock adjustable preload, bump and rebound. | Unit Pro-Link HMAS single shock with spring preload, rebound and compression damping adjustability | Swing arm, shock absorbers with adjustable preload |
| Front Brakes: | 2x 310mm discs, 3 piston calipers | 2x 298mm discs 4 piston calipers | 2x 310mm discs 4 piston calipers | Drum |
| Rear Brakes: | Single 256mm disc, 2 piston caliper | Single 245mm disc 2 piston caliper | Single 220mm disc 1 piston caliper | Drum |
| Front Tyre: | 120/70 ZR17 | 120/70 ZR17 | 120/70 ZR17 | 3.25-18 |
| Rear Tyre: | 190/55 ZR17 | 180/55 ZR17 | 180/55 ZR17 | 3.50-18 |
| Wheelbase: | 1455 mm / 57.2 in | 1433 mm / 56.4 in | 1369 mm / 53.9 in | 1,300 mm / 53 in |
| Fuel Capacity: | 16.2 Litres / 4.2 US gal | 19 Litres / 5.0 gal | 18.2 liters / 4.8 gal | 14 Litres / 3.7 US gal |