Yamaha RD400
 1978 Yamaha 400 DX | |
| Manufacturer | Yamaha Motor Company |
|---|---|
| Production | 1976-1980 |
| Predecessor | Yamaha RD350 |
| Successor |
Yamaha RD350LC Yamaha RZ350 |
| Class | Standard |
| Engine | Two-stroke straight-twin |
| Bore / stroke | 64 mm × 62 mm (2.5 in × 2.4 in) |
| Compression ratio | 6.2:1 |
| Top speed | 106.8 mph (171.9 km/h)[1] |
| Power | 44 bhp (33 kW) @ 7,000 rpm[1] |
| Torque | 30.3 lb·ft (41.1 N·m) @ 6,500 rpm[1] |
| Ignition type | Kick start: points (CDI ignition from 1978) |
| Transmission | 6-speed manual, chain final drive |
| Frame type | Tubular twin cradle |
| Suspension | Front telescopic forks; rear swingarm with twin rear shock absorbers |
| Brakes | Single disc brake, front and rear |
| Rake, trail | 27.5°, 110 mm (4.3 in) |
| Wheelbase | 1,330 mm (52.5 in) |
| Dimensions |
W: 800 mm (31.5 in) |
| Seat height | 800 mm (31.5 in) |
| Weight | 165 kg (364 lb) (with 4.5 l; 1.2 US gal (1 imp gal) of fuel)[1] (wet) |
| Fuel capacity | 16.5 l (3.6 imp gal; 4.4 US gal) |
| Oil capacity | 1.6 litres (1.7 US qt) |
| Fuel consumption | 30 to 42 mpg-imp (9.4 to 6.7 L/100 km; 25 to 35 mpg-US)[1] |
The RD400 is a 399 cc (24.3 cu in) two-stroke air cooled six-speed motorcycle produced by Yamaha from 1976 until 1980. It evolved directly from the Yamaha RD350 The 350 evolved into the RD400C in 1976, the "D" and "E" in 77-78 and the final model, the white 1980 RD400G.
The brakes were single disc front and rear. It could complete a standard quarter-mile in 14.01 seconds.[1]
The RD400C was the first motorcycle by a major manufacturer to be fitted with cast wheels.[2]
In 1979 the RD was fitted with a capacitor discharge electronic ignition (CDI) unit as well as having thinner spoked cast wheels, a new foot peg position and some minor engine modifications.
References
See also
External Links
This article is issued from Wikipedia - version of the Friday, June 19, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.