Yamaha SR 500 G (cast wheels) Specs (Top Speed | Horsepower | Weight)

The Yamaha SR 500 G (cast wheels) motorcycle specifications include a 499 cc (30.45 cu in) engine, a 5-speed gearbox, and a listed weight of 174 kg (383.6 lb).

Key specifications

1979-1981Model years
499 ccDisplacement
174 kgWet weight
12 LFuel tank
Model years covered
197919801981

Year-specific specification changes

No material specification changes from the 1979 baseline were found in the available data.

How the Yamaha SR 500 G (cast wheels) 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.

Displacement499 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 9% lower than the Yamaha database average. Around the 54th percentile across Yamaha models.

Wet weight174 kg
Low 72.1 kgAverage 186.3 kgHigh 348.7 kg

About 7% lighter than the Yamaha database average. Around the 46th 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.

Displacement54th

499 cc — larger displacement than about 54% of Yamaha models.

Wet weight46th

174 kg — heavier than about 46% of Yamaha models, or lighter than about 54%.

Fuel capacity45th

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

Mechanical overview

Engine layout snapshot

Single cylinder, four-stroke • 499 cc • Air cooled
Chassis snapshot

5-speed • Chain (final drive) • 3.50-19 front / 4.00-18 rear

Additional useful specifications

Front tire size 3.50-19
Rear tire size 4.00-18
Bore/stroke ratio 1.04:1 (Oversquare)

Model information

Category Classic

Engine specifications

Engine type Single cylinder, four-stroke
Displacement 499 cc (30.45 cu in)
Bore × stroke 87.0 x 84 mm (3.4 x 3.3 inches)
Compression ratio 9.0:1
Valves per cylinder 2
Cooling system Air
Fuel control Overhead Cams (OHC)

Transmission and drivetrain

Gearbox 5-speed
Final drive Chain (final drive)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Expanding brake
Front tire 3.50-19
Rear tire 4.00-18

Dimensions and weight

Wet weight 174 kg (383.6 lb)

Fuel and emissions

Fuel capacity 12.00 L (3.17 US gal)

Performance

Top speed 135.0 km/h (83.9 mph)

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.