The Yamaha RD400 was a twin, two-stroke Classic motorcycle produced by Yamaha between 1976 and 1979. It could reach a top speed of 109 mph (175 km/h). Claimed horsepower was 42.11 HP (31.4 KW) @ 7500 RPM.
|Also called||RD400C, RD 400 C, RD 400|
|Production||1976 - 1979|
|Bore / Stroke||64.0mm x 62.0mm|
|Top Speed||109 mph (175 km/h)|
|Horsepower||42.11 HP (31.4 KW) @ 7500RPM|
|Spark Plug||NGK B8ES '76-79|
|Battery||YUASA 12N5-5A-3B '76-79|
|Transmission||Gear box: 6-speed
Final Drive: chain
|Final Drive||Chain: 530x96|
|Suspension||Front: Telescopic Forks
|Brakes||Front: single disc
Rear: single disc
|Wheelbase||52.01 inches (1321 mm)|
|Length||78.5 inches (1994 mm)|
|Width||29.88 inches (759 mm)|
|Seat Height||31.5 inches (800 mm)|
|Weight||175.0 kg (wet)|
|Recommended Oil||Yamalube 10w-40|
|Fuel Capacity||4.36 Gallon (16.50 Liters)|
|Related||Yamaha RD250LC, Yamaha RD200, Yamaha RD250, Yamaha RD350, Yamaha RD400|
The bike has a 6-speed transmission. Power was moderated via the Wet multi-plate.
It came with a 3.00-18 front tire and a 3.50-18 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a Telescopic Forks while the rear was equipped with a Swingarm. The RD400 was fitted with a 4.36 Gallon (16.50 Liters) fuel tank. The wheelbase was 52.01 inches (1321 mm) long.
- Last year exported to US.
1976 - 1980 Yamaha RD 400Edit
The Yamaha RD 400 has already become a classic in its own time. Fully equipped with speedometer, tachometer, hydraulically operated disc brakes on front and rear.