Yamaha RD 400 (1977) vs Honda CBR 600RR (2003) vs Husqvarna TE 450 (2002-03)
Comparison technical specifications
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| Make: | Yamaha | Honda | Husqvarna |
| Model: | RD 400 | CBR 600RR | TE 450 |
| Years: | 1977 | 2003 | 2002-03 |
| Engine: | Two stroke, parallel twin cylinder, reed-valve torque induction | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder. | Four stroke, single cylinder, DOHC, 4 valves |
| Capacity: | 398 cc / 24.2 cu-in | 599 cc / 36.5 cu-in | 449 cc / 27.4 cu-in |
| Bore x Stroke: | 64 х 62 mm | 67 x 42.5 mm | 97 x 60.7 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 6.2:1 | 12.0:1 | 12.0:1 |
| Lubrication: | Autolube | Wet sump | Dry sump with 2 oil pump rotors and cartridge filter |
| Induction: | 2x 28mm Mikuni carburetors | Dual Stage Fuel Injection (DSFI) | 41mm Keihin MX carburetor |
| Ignition: | Battery, dual coils, breaker points | Computer-controlled digital transistorized with three-dimensional mapping | CDI |
| Starting: | Kick | Electric | Electric & Kick |
| Max Power: | 44 hp / 32.3 kW @ 7500 rpm | 117 hp / 87.2 kW @ 13000 rpm | 46.9 hp / 34.5 kW @ 8500 rpm |
| Max Torque: | 41.1 Nm / 4.2 kgf-m @ 7000 rpm | 64 Nm / 6.53 kg-m @ 11000 rpm | 41.5 Nm / 30.6 lb-ft @ 7000 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | Telescopic forks | 45mm HMAS cartridge fork with spring preload, rebound and compression damping adjustability: | Marzocchi "Upside-Down" telescopic hydraulic fork with advanced axle. compression and rebound stroke adjustment |
| Rear Suspension: | Swing arm, dual shocks | Unit Pro-Link HMAS single shock with spring preload, rebound and compression damping adjustability. | Sachs progressive "Soft Damp" type with single hydraulic shock absorber, spring preload adjustment, compression and rebound adjustment |
| Front Brakes: | Single 267mm disc | 2x 310mm discs 4 piston calipers | Single 260mm disc |
| Rear Brakes: | Single 267mm disc | Single 220mm disc 1 piston caliper | Single 220mm disc |
| Front Tyre: | 3.00S-18 | 120/70 ZR17 | 90/90-21 |
| Rear Tyre: | 3.50S-18 | 180/55 ZR17 | 140/80-18 |
| Dimensions: | Length 1995 mm / 78.5 in Width 760 mm / 3.0 in Height 1060 mm / 41.7 in | Length 2065 mm / 81.2 in Width 685 mm / 26.9 in Height 1135 mm / 44.6 in | Height 1290 mm / 50.8 in Length 2215 mm / 87.2 in Width 820 mm / 32.3 in |
| Wheelbase: | 1320 mm / 51.9 in | 1389.3 mm / 54.7 in | 1460 mm / 57.5 in |
| Seat Height: | 800 mm / 31.4 in | 820 mm / 32.3 in | 975 mm / 38.4 in |
| Dry Weight: | 165.5 kg / 364.8 lbs | 169 kg / 372.5 lbs | 116 kg / 255.7 lbs |
| Fuel Capacity: | 16.5 Litres / 4.3 US gal | 18 Liters / 4.7 US gal | 7.7 Litres / 2.0 US gal |