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.

Browse our extensive inventory of new and used Yamaha Rd400 motorcycles from local Yamaha dealers and private sellers. Compare prices, models, trims, options and specifications between …

Feb 20, 2013 · In terms of mid-1970s middleweights Yamaha’s RD400 was, in the eyes of contemporary road testers, top dog in terms performance, handling, usability and value for money.

Mar 1, 1976 · The first RD400 prototypes had shocks that worked well on the race track, but beat you to a pulp on the street. Yamaha replaced those shocks with a pair of S&Ws that cured the stiff street ride,...

Aug 14, 2019 · The RD400 was indisputably ‘race developed’ and owners in Wrangler flares, Paddy Hopkirk Agordo lids and nylon Yamaha race jackets would run rings around the bigger, flexi-framed fours on offer at the time.

Aug 23, 2023 · This 1976 Yamaha RD400 is finished in red with orange, white, and dark red graphics and powered by a 398cc two-stroke parallel twin paired with a six-speed transmission.

Over a 3500-rpm band, the Honda is putting out over 30 horsepower, peaking at 35.58. The RD400E dynoed over 30 bhp only in a 1500-rpm range, producing a maximum 34.18 …

The RD400 is an exceptional motorcycle partly because of—not in spite of—its scornful two-stroke engine and partly because of the machine's careful engineering and many years of development.

Nov 29, 2023 · The Yamaha RD 400 was a standard motorcycle manufactured by Yamaha from 1976 as a replacement for the Yamaha RD 350 and continued production until 1979 when it was succeeded by the Yamaha RD...

Oct 4, 2018 · The Yamaha RD400 is an even better version of America’s previous favorite 2-stroke motorcycle, the RD350. Learn more about this popular bike.