Yamaha RD 400 (1977) vs Honda CBR 600RR (2003) vs Husqvarna TE 450 (2002-03) vs Ducati 900 SD Darmah (1979) vs Suzuki RGV 250 (1995)
Comparison technical specifications
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| Make: | Yamaha | Honda | Husqvarna | Ducati | Suzuki |
| Model: | RD 400 | CBR 600RR | TE 450 | 900 SD Darmah | RGV 250 |
| Years: | 1977 | 2003 | 2002-03 | 1979 | 1995 |
| 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 | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven | Two stroke, 90° V- twin, reed valve |
| Capacity: | 398 cc / 24.2 cu-in | 599 cc / 36.5 cu-in | 449 cc / 27.4 cu-in | 864 cc / 52.7 cu in | 249 cc / 15.2 cu in |
| Bore x Stroke: | 64 х 62 mm | 67 x 42.5 mm | 97 x 60.7 mm | 86 x 74.4 mm | 56 x 50.6 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 6.2:1 | 12.0:1 | 12.0:1 | 9.4:1 | 7.3 :1 |
| Induction: | 2x 28mm Mikuni carburetors | Dual Stage Fuel Injection (DSFI) | 41mm Keihin MX carburetor | 2 x Dell'Orto PHM 40 A, B or C carburetors | 2 x Mikuni TM34SS semi-flat carburetors |
| Ignition: | Battery, dual coils, breaker points | Computer-controlled digital transistorized with three-dimensional mapping | CDI | Electronic | Pointless Electrical Ignition |
| Starting: | Kick | Electric | Electric & Kick | 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 | 47.8 kW / 65 hp @ 7500 rpm | 45.5 kW / 61 hp @ 11000 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 5 Speed | 6 Speed, constant mesh |
| Final Drive: | Chain | Chain | Chain | Chain | Chain, DID520V2, 114 links |
| 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 | 38 mm Ceriani 608 telescopic fork | USD telescopic fork, 5-way adjustable with anti-dive, oil dampened |
| 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 | Marzocchi 300 mm dual shocks, 3-way adjustable | Full Floater, mono-shock, gas/oil damped, 7-way adjustable |
| Front Brakes: | Single 267mm disc | 2x 310mm discs 4 piston calipers | Single 260mm disc | 2 x 280 mm Disc, 1 piston caliper | 2 x 300 mm Discs ,4 piston calipers |
| Rear Brakes: | Single 267mm disc | Single 220mm disc 1 piston caliper | Single 220mm disc | Single 260 mm disc | Single 210 mm disc, 1 piston caliper |
| 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 | Length: 2260 mm / 88.9 in Width: 780 mm / 30.7 in Height: 1090 mm / 42.9 in | Length: 2015 mm / 79.3 in Width: 695 mm / 27.4 in Height: 1065 mm / 41.9 in |
| Wheelbase: | 1320 mm / 51.9 in | 1389.3 mm / 54.7 in | 1460 mm / 57.5 in | 1550 mm / 61.0 in | 1375 mm / 54.1 in |
| Seat Height: | 800 mm / 31.4 in | 820 mm / 32.3 in | 975 mm / 38.4 in | 780 mm / 30.7 in | 755 mm / 29.7 in |
| Fuel Capacity: | 16.5 Litres / 4.3 US gal | 18 Liters / 4.7 US gal | 7.7 Litres / 2.0 US gal | 15 L / 4.0 US gal / 3.3 Imp gal | 16 Litres / 4.2 US gal / 3.5 Imp gal |