Yamaha R 5 Specs (Top Speed | Horsepower | Weight)

The Yamaha R 5 motorcycle specifications include a 347 cc (21.17 cu in) engine, a 5-speed gearbox, and a listed weight of 148 kg (326.3 lb).

Key specifications

1970-1971Model years
347 ccDisplacement
37.9 NmTorque
148 kgWet weight
790 mmSeat height
12 LFuel tank
1,341 mmWheelbase
180 mmGround clearance
Model years covered
19701971
Year-specific specification changes

The 1970 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Front brakes
1971Expanding brake

How the Yamaha R 5 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.

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.

Wet weight148 kg
Low 72.1 kgAverage 186.3 kgHigh 348.7 kg

About 21% lighter than the Yamaha database average. Around the 36th percentile across Yamaha models.

Seat height790 mm
Low 635 mmAverage 793 mmHigh 989 mm

Very close to the Yamaha database average. Around the 49th percentile across Yamaha models.

Fuel capacity12 L
Low 4 LAverage 13 LHigh 24 L

About 8% smaller than the Yamaha database average. Around the 45th 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.

Displacement44th

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

Wet weight36th

148 kg — heavier than about 36% of Yamaha models, or lighter than about 64%.

Seat height49th

790 mm — taller than about 49% of Yamaha models.

Fuel capacity45th

12 L — larger than about 45% of Yamaha fuel tanks in this database.

Dimensions compared with Yamaha average

Each measurement is compared with the average value across Yamaha models where that dimension is available.

Wheelbase1,341 mm
This bike

1,341

Yamaha avg

1,416

5% below average.

Seat height790 mm
This bike

790

Yamaha avg

793

Close to average.

Ground clearance180 mm
This bike

180

Yamaha avg

181

Close to average.

Mechanical overview

Engine layout snapshot

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

Wheelbase 1,341 mmSeat 790 mmClearance 180 mm
5-speed • Chain (final drive) • 3.00-18 front / 3.50-18 rear

Additional useful specifications

Front tire size 3.00-18
Rear tire size 3.50-18
Engine oil capacity 2.00 L (2.11 US qt)
Estimated theoretical fuel range 179 km
Bore/stroke ratio 1.19:1 (Oversquare)

Model information

Category Naked bike

Engine specifications

Engine type Twin, two-stroke
Displacement 347 cc (21.17 cu in)
Torque 37.9 Nm (3.9 kgf-m or 28.0 ft.lbs)
Bore × stroke 64.0 x 54 mm (2.5 x 2.1 inches)
Compression ratio 6.9:1
Cooling system Air
Fuel system Carburettor. 2 Mikuni VM28 SC
Fuel control Port control
Ignition Battery, dual coils, breaker points
Starter Kick
Lubrication Oil injection
Oil capacity 2.00 L (2.11 US qt)

Transmission and drivetrain

Gearbox 5-speed
Final drive Chain (final drive)
Clutch Multi-plate, wet

Chassis and suspension

Frame Duplex cradle frame
Front suspension Telescopic fork
Rear suspension Swingarm

Brakes, wheels and tires

Front brakes Expanding brake (drum brake)
Rear brakes Expanding brake
Front tire 3.00-18
Rear tire 3.50-18

Dimensions and weight

Wet weight 148 kg (326.3 lb)
Dry weight 146 kg (321.9 lb)
Seat height 790 mm (31.1 inches)
Wheelbase 1,341 mm (52.8 inches)
Ground clearance 180 mm (7.1 inches)

Fuel and emissions

Fuel capacity 12.00 L (3.17 US gal)
Fuel consumption 6.70 L/100 km (14.9 km/l or 35.11 mpg)
Greenhouse gases 155.4 CO 2 g/km. (CO2 – Carbon dioxide emission)

Performance

Top speed 160.0 km/h (99.4 mph)
Power/weight ratio 0.2397 hp/kg

Electrical and instruments

Electrical Starting battery.

Other specifications

Color options White/purple

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.