Motorcycles Specs > Yamaha > Yamaha RD 250 (6-speed)

Yamaha RD 250 (6-speed) Specs

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The Yamaha RD 250 (6-speed) model is a Sport bike manufactured by Yamaha . In this version sold from year 1973 , the dry weight is and it is equipped with a Twin, two-stroke motor. The engine produces a maximum peak output power of 30.00 HP (21.9 kW) @ 7500 RPM and a maximum torque of . With this drive-train, the Yamaha RD 250 (6-speed) is capable of reaching a maximum top speed of 155.0 km/h (96.3 mph) . On the topic of chassis characteristics, responsible for road holding, handling behavior and ride comfort, the Yamaha RD 250 (6-speed) has a frame with front suspension being and at the rear, it is equipped with . Stock tire sizes are 3.00-18 on the front, and 3.25-18 on the rear. As for stopping power, the Yamaha RD 250 (6-speed) braking system includes Single disc size at the front and Expanding brake size at the back.

Yamaha RD 250 (6-speed) General Information

Brand Yamaha 
Model Yamaha RD 250 (6-speed) 
Start year 1973 
Year 1973 
Category Sport 
Factory Warranty (Years / miles)

Yamaha RD 250 (6-speed) Dimensions, Aerodynamics and weight

Frame type
Seat details
Seat Height
Alternate Seat Height
Ground Clearance
Trail size
Wheels details
Front Tyres - Rims dimensions 3.00-18 
Rear Tyres - Rims dimensions 3.25-18 
Front brakes Single disc 
Rear brakes Expanding brake 
Front Brakes Dimensions - Disc Dimensions
Rear Brakes Dimensions - Disc Dimensions
Curb Weight (including fluids) 162.0 kg (357.1 pounds) 
Dry Weight
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio :
Fuel Tank Capacity 16.00 litres (4.23 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front Suspension
Front Suspension Travel
Rear Suspension
Rear Suspension Travel

Yamaha RD 250 (6-speed) Engine and Transmission Technical Data

Engine type - Number of cylinders Twin, two-stroke 
Engine details
Fuel system
Engine size - Displacement - Engine capacity 247.00 ccm (15.07 cubic inches) 
Bore x Stroke 54.0 x 54.0 mm (2.1 x 2.1 inches) 
Compression Ratio 6.7:1 
Number of valves per cylinder
Camshaft Valvetrain Configuration Membrane 
Maximum power - Output - Horsepower 30.00 HP (21.9 kW) @ 7500 RPM 
Maximum torque
Engine Maximum RPM
Cooling system Air 
Lubrication system
Engine oil capacity
Exhaust system
Gearbox 6-speed 
Transmission type, final drive ratio Chain 
Clutch type

Yamaha RD 250 (6-speed) Performance

Top Speed 155.0 km/h (96.3 mph) 
Acceleration 0 to 100 km/h (0 to 62 mph)
Acceleration 0 to 400m (1/4 mile)
Recuperation 60 to 140 km/h in highest gear
Fuel Consumption - MPG - Economy - Efficiency
CO2 emissions

Yamaha RD 250 (6-speed) Electrical Systems, Ignition and Equipment

Ignition Type
Electrical Details
Starter Type
How much horsepower does a Yamaha RD 250 (6-speed) have?
The Yamaha RD 250 (6-speed) has 30.00 HP (21.9 kW) @ 7500 RPM.

How fast is a Yamaha RD 250 (6-speed)?
The Yamaha RD 250 (6-speed) top speed is 155.0 km/h (96.3 mph).

How many gears does a Yamaha RD 250 (6-speed) have?
The Yamaha RD 250 (6-speed) have 6 gears.