The Yamaha R3 motorcycle specifications include a 321 cc (19.59 cu in) engine, power of 41.4 hp (30.2 kW) @ 10,750 rpm, and a listed weight of 170 kg (374.8 lb).
Key specifications
The 2021 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha R3 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 22% lower than the Yamaha database average. Around the 49th percentile across Yamaha models.
About 42% lower than the Yamaha database average. Around the 42nd percentile across Yamaha models.
About 9% lighter than the Yamaha database average. Around the 44th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 39th percentile across Yamaha models.
About 7% larger than the Yamaha database average. Around the 57th percentile across Yamaha models.
Mechanical overview
Additional useful specifications
| Front tire size | 110/70-ZR17M/C |
|---|---|
| Rear tire size | 140/70-ZR17/C |
| Engine oil capacity | 2.40 L (2.54 US qt) |
| Estimated theoretical fuel range | 368 km |
| Power-to-weight ratio | 0.244 hp/kg |
| Power-to-weight | 243.5 hp/tonne |
| Specific power | 129.0 hp/L |
| Bore/stroke ratio | 1.54:1 (Oversquare) |
Model information
| Category | Sport |
|---|
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 321 cc (19.59 cu in) |
| Power | 41.4 hp (30.2 kW) @ 10,750 rpm |
| Torque | 28.8 Nm (2.9 kgf-m or 21.2 ft.lbs) @ 9,000 rpm |
| Bore × stroke | 68.0 x 44.1 mm (2.7 x 1.7 inches) |
| Compression ratio | 11.2:1 |
| Cooling system | Liquid |
| Fuel system | Injection. Electronic injection |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | TCI |
| Starter | Electric |
| Lubrication | Wet sump |
| Oil capacity | 2.40 L (2.54 US qt) |
Transmission and drivetrain
| Final drive | Chain (final drive) |
|---|
Chassis and suspension
| Frame | Diamond |
|---|---|
| Front suspension | Telescopic fork |
| Rear suspension | Swingarm |
| Front wheel travel | 130 mm (5.1 inches) |
| Rear wheel travel | 125 mm (4.9 inches) |
| Rake | 25.0° |
| Trail | 95 mm (3.7 inches) |
Brakes, wheels and tires
| Front brakes | Single disc. Hydraulic |
|---|---|
| Rear brakes | Single disc. Hydraulic. |
| Front tire | 110/70-ZR17M/C |
| Rear tire | 140/70-ZR17/C |
Dimensions and weight
| Wet weight | 170 kg (374.8 lb) |
|---|---|
| Seat height | 780 mm (30.7 inches) |
| Overall length | 2,090 mm (82.3 inches) |
| Overall width | 730 mm (28.7 inches) |
| Overall height | 1,140 mm (44.9 inches) |
| Wheelbase | 1,405 mm (55.3 inches) |
| Ground clearance | 160 mm (6.3 inches) |
Fuel and emissions
| Fuel capacity | 14.00 L (3.70 US gal) |
|---|---|
| Fuel consumption | 3.80 L/100 km (26.3 km/l or 61.90 mpg) |
| Greenhouse gases | 88.2 CO 2 g/km. (CO2 – Carbon dioxide emission) |
| Emission details | Euro 4 |
Other specifications
| Color options | Icon Blue, Midnight Black |
|---|
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.