The Yamaha RS 100 motorcycle specifications include a 97 cc (5.92 cu in) engine, a 5-speed gearbox, and a listed weight of 105 kg (231.5 lb).
Key specifications
The 1975 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha RS 100 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.
About 82% lower than the Yamaha database average. Around the 11th percentile across Yamaha models.
About 44% lighter than the Yamaha database average. Around the 14th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 35th percentile across Yamaha models.
About 31% smaller than the Yamaha database average. Around the 30th percentile across Yamaha models.
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
97 cc — larger displacement than about 11% of Yamaha models.
105 kg — heavier than about 14% of Yamaha models, or lighter than about 86%.
775 mm — taller than about 35% of Yamaha models.
9 L — larger than about 30% 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.
1,946
2,082
7% below average.
1,240
1,416
12% below average.
775
793
Close to average.
Mechanical overview
Additional useful specifications
| Front tire size | 2.50-18 |
|---|---|
| Rear tire size | 2.75-18 |
| Bore/stroke ratio | 1.14:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 97 cc (5.92 cu in) |
| Torque | 9.0 Nm (0.9 kgf-m or 6.6 ft.lbs) @ 7,000 rpm |
| Bore × stroke | 52.0 x 45.6 mm (2.0 x 1.8 inches) |
| Compression ratio | 6.8:1 |
| Cooling system | Air |
| Fuel system | Carburettor |
| Fuel control | Membrane |
| Starter | Kick |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front suspension | Telescopic fork |
|---|---|
| Rear suspension | Dual shocks |
Brakes, wheels and tires
| Front brakes | Expanding brake (drum brake) |
|---|---|
| Rear brakes | Expanding brake |
| Front tire | 2.50-18 |
| Rear tire | 2.75-18 |
Dimensions and weight
| Wet weight | 105 kg (231.5 lb) |
|---|---|
| Seat height | 775 mm (30.5 inches) |
| Overall length | 1,946 mm (76.6 inches) |
| Wheelbase | 1,240 mm (48.8 inches) |
Fuel and emissions
| Fuel capacity | 9.00 L (2.38 US gal) |
|---|
Performance
| Top speed | 104.0 km/h (64.6 mph) |
|---|
Other specifications
| Color options | Blue, red, yellow |
|---|
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.