Yamaha RD / RZ 125LC (1981-82) vs Yamaha TX 650-II (1977-79)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
| Make: | Yamaha | Yamaha |
| Model: | RD / RZ 125LC | TX 650-II |
| Years: | 1981-82 | 1977-79 |
| Engine: | Two stroke, single cylinder | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. |
| Capacity: | 123 cc / 7.5 cu-in | 653 cc / 39.8 cu in |
| Bore x Stroke: | 56 х 50 mm | 75 x 74 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 6.4:1 | 8.4:1 |
| Lubrication: | Autolube | Wet sump |
| Oil Capacity: | 1.1 L | 2.5 Litres / 2.6 US qts |
| Induction: | 24mm Mikuni carburetors | 2 x Mikuni carburetors |
| Ignition: | Hitachi CDI | Battery, induction coil |
| Starting: | Kick | Electric and kick |
| Max Power: | 20 hp / 15.5 kW @ 9500 rpm | 39.5 kW / 53 hp @ 7200 rpm |
| Max Torque: | 1.6 kgf-m / 16 Nm @ 9250 rpm | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | 32mm Telescopic forks | Telescopic forks |
| Rear Suspension: | Monocross linkage 6-way preload adjustment | Dual shock absorbers |
| Front Brakes: | Single 245mm disc | Twin hydraulic discs, 267 mm |
| Rear Brakes: | 130mm Drum | Drum |
| Front Tyre: | 2.75-18-4PR | 3.50H-19 4PR |
| Rear Tyre: | 3.00-18-6PR | 4.00H-18 4PR |
| Dimensions: | Length 1990 mm / 78.3 in Width 735 mm / 28.9 in Height 1190 mm / 46.8 in | Length: 2175 mm / 85.6" Width: 780 mm / 30.7" Height: 1090 mm / 42.9" |
| Wheelbase: | 1295 mm / 50.9 in | 1435 mm / 56.5" |
| Seat Height: | 775 mm / 30.5 in | 810 mm / 31.9" |
| Ground Clearance: | 185 mm / 7.2 in | 150 mm / 5.5" |
| Dry Weight: | 98 kg / 216 lbs | 191 kg / 420 lbs |
| Fuel Capacity: | 13 Litres / 3.4 US gal | 15 Litres / 4.0 US gal |
| Top Speed: | 81 mph / 130.3 km/h | 185 km/h / 115 mph |