The RD400 is a 399 cc (24.3 cu in) two-stroke air cooled six-speed motorcycle produced by Yamaha from 1976 until 1979. It evolved directly from the Yamaha RD350. The 350 evolved …

If there's one word that describes the Yamaha RD400 series, the word is intense. The all-disc brakes are intensely powerful, an RD tradition since the motorcycles were disc/drum 350s. …

The RD400 is about 25 pounds heavier than an RD350 but the 400 engine is only about five pounds heavier than the 350 engine. The RD400 motorcycle is actually heavier than the four …

The Yamaha RD 400 has 43.00 HP (31.4 kW) @ 7500 RPM. How fast is a Yamaha RD 400? The Yamaha RD 400 top speed is 175.0 km/h (108.7 mph). How many gears does a Yamaha RD …

2023年11月29日 · General information, photos, engines and tech specs reference for YAMAHA RD 400 (1976-1980) Specs, Performance & Photos

Yamaha RD 400 is produced in 1976-77. Engine is Two stroke, parallel twin cylinder, reed-valve torque induction, displacement 398 cc / 24.2 cu-in , produces power 44 hp / 32.3 kW @ 7500 …

The 1979 Yamaha RD 400 and all other motorcycles made 1894-2025. Specifications. Pictures. Rating. Discussions.

Yamaha RD 400 : Year : 1978 : Category : Classic : Rating : 3.6 See the detailed rating of design and look, engine performance, reliability, fun-factor, etc. Compare with any other bike.

1975 Yamaha RD400 specs, performance data, engine specifications, pictures, updated January 2025.

1979年7月1日 · Yamaha's economymodel four-stroke XS400 lists for $1559. But the RD400 remains relatively simple. The engine is a 398cc air-cooled twostroke Twin with reed-valve …