Yamaha RD400 1977

Specifications

The 1977 Yamaha RD400 Roadster is powered by a 2-stroke in-line twin-cylinder engine developing 40 HP (29.4 kW), for a kerb weight of 175 kg (157 kg dry).
Its 800 mm seat height makes it accessible to smaller riders.

This 398 cm³ motorcycle.
We have no information about the price of this Yamaha.

Engine displacement

398 cc

Engine type

Inline twin-cylinder - 2-stroke

Maximum power

40 hp (29.4 kW) at 7000 rpm

Maximum torque

41.2 Nm (4.2 mkg) at 6500 rpm

Weight-to-power ratio

4.38 kg/hp
5.95 kg/kW

Weight-to-torque ratio

4.25 kg/Nm
41.67 kg/mkg

Fuel system

2 carburetors Ø 28 mm

Weight fully fueled

175 kg

Dry weight

157 kg

Frame type

Double cradle made of steel tubes

Saddle height

800 mm

Length

2015 mm

Width

830 mm

Wheelbase

1350 mm

Minimum height

1085 mm

Tank capacity

16.5 L

Fork

telescopic Ø 35 mm, travel: 120 mm

Braking

1 disc Ø 267 mm, single piston caliper

Front tire

3

Shock absorber

2 lateral shock absorbers, travel: 80 mm

Braking

1 disc Ø 267 mm, single piston caliper

Rear tire

3.50 R18

Gearbox type

6-speed gearbox

Transmission

manual

Shifter

No

Secondary transmission

Chain

Required license

Category A driving licence
A2 license

Roadsters of similar displacement from 1977

Roadsters of similar power from 1977

The inline twin-cylinder two-stroke engine of this 1977 Yamaha RD400 produces 40 HP (29.4 kW).
The 1977 Yamaha RD400 produces a maximum torque of 41.2 Nm (equivalent to 4.2 mkg) thanks to its inline twin-cylinder two-stroke engine.
The 1977 Yamaha RD400 is equipped with a 3.00 front tire and a 3.50 R18 rear tire.
Yes, without hesitation. The seat height of this Yamaha is 800 mm, allowing for easy flat-footing, which makes it ideal for shorter riders and beginners.
Yes! This RD400 is equipped with a reverse gear, which greatly facilitates maneuvering despite its fully fueled weight of 175 kg.
DCT is the type of automatic transmission equipped on this RD400. It stands for "Dual Clutch Transmission." It allows for automatic or manual gear shifting without a clutch lever, providing greater comfort and smoothness.
Yes! The 1977 Yamaha RD400 can be restricted to A2 for new license holders.
Yes, this 1977 Yamaha RD400 is compatible with the A2 license.
Yes, this 1977 Yamaha RD400 is compatible with the A1 license.
No, this Yamaha is designed solely for use on and is not road-legal.
The 1977 Yamaha RD400 weighs 175 kg fully fueled (157 kg dry).
The 1977 Yamaha RD400 is sold at the price of €.