The Yamaha YFZ50 motorcycle specifications include a 49.4 cc (3.01 cu in) engine and an automatic gearbox.
Key specifications
The 2017 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha YFZ50 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 91% lower than the Yamaha database average. Around the 7th percentile across Yamaha models.
About 26% lower than the Yamaha database average. Around the 2nd percentile across Yamaha models.
About 56% smaller than the Yamaha database average. Around the 12th 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.
49 cc — larger displacement than about 7% of Yamaha models.
585 mm — taller than about 2% of Yamaha models.
5.8 L — larger than about 12% 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.
1,250
2,082
40% below average.
820
823
Close to average.
770
1,172
34% below average.
830
1,416
41% below average.
585
793
26% below average.
88
181
51% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 16/7-7 |
|---|---|
| Rear tire size | 16/7-7 |
| Engine oil capacity | 0.90 L (0.95 US qt) |
| Bore/stroke ratio | 0.94:1 (Undersquare) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 49.4 cc (3.01 cu in) |
| Bore × stroke | 39.0 x 41.4 mm (1.5 x 1.6 inches) |
| Compression ratio | 8.5:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel system | Carburettor. TK SVR 22 mm |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | CDI |
| Starter | Electric & kick |
| Lubrication | Wet sump |
| Oil capacity | 0.90 L (0.95 US qt) |
Transmission and drivetrain
| Gearbox | Automatic |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front suspension | Single I-arm |
|---|---|
| Rear suspension | Swingarm |
Brakes, wheels and tires
| Front brakes | Expanding brake (drum brake) |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 16/7-7 |
| Rear tire | 16/7-7 |
Dimensions and weight
| Seat height | 585 mm (23.0 inches) |
|---|---|
| Overall length | 1,250 mm (49.2 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall height | 770 mm (30.3 inches) |
| Wheelbase | 830 mm (32.7 inches) |
| Ground clearance | 88 mm (3.5 inches) |
Fuel and emissions
| Fuel capacity | 5.80 L (1.53 US gal) |
|---|
Other specifications
| Color options | Blue/white |
|---|---|
| Comments | Intended for children aged 6 – 9 years. |
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.