Yamaha RD350B Specs (Top Speed | Horsepower | Weight)

The Yamaha RD350B motorcycle specifications include a 347 cc (21.17 cu in) engine, power of 30.5 hp (22.3 kW), and a 6-speed gearbox.

Key specifications

1983Year released
347 ccDisplacement
30.5 hpPower

How the Yamaha RD350B compares

This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.

Engine power30.5 hp
Low 2.8 hpAverage 53.3 hpHigh 171.2 hp

About 43% lower than the Yamaha database average. Around the 45th percentile across Yamaha models.

Displacement347 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 37% lower than the Yamaha database average. Around the 44th percentile across Yamaha models.

This model Yamaha database average

Yamaha database percentile rankings

Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.

Engine power45th

30.5 hp — more powerful than about 45% of Yamaha models with power data.

Displacement44th

347 cc — larger displacement than about 44% of Yamaha models.

Mechanical overview

Engine layout snapshot

Twin, two-stroke • 347 cc • Air cooled • 30.5 hp
Chassis snapshot

6-speed • Chain (final drive)

Additional useful specifications

Specific power 87.9 hp/L
Bore/stroke ratio 1.19:1 (Oversquare)

Model information

Year released 1983
Category Classic

Engine specifications

Engine type Twin, two-stroke
Displacement 347 cc (21.17 cu in)
Power 30.5 hp (22.3 kW)
Bore × stroke 64.0 x 54 mm (2.5 x 2.1 inches)
Cooling system Air
Fuel system Carburettor

Transmission and drivetrain

Gearbox 6-speed
Final drive Chain (final drive)

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.