The Yamaha TZ 125 motorcycle specifications include a 124 cc (7.57 cu in) engine, power of 44 hp (32.1 kW) @ 12,250 rpm, and a listed weight of 71.2 kg (157 lb).
Key specifications
How the Yamaha TZ 125 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 17% lower than the Yamaha database average. Around the 51st percentile across Yamaha models.
About 77% lower than the Yamaha database average. Around the 18th percentile across Yamaha models.
About 12% lower 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.
44 hp — more powerful than about 51% of Yamaha models with power data.
124 cc — larger displacement than about 18% of Yamaha models.
701 mm — taller than about 12% of Yamaha models.
Dimensions compared with Yamaha average
Each measurement is compared with the average value across Yamaha models where that dimension is available.
1,828
2,082
12% below average.
510
823
38% below average.
1,033
1,172
12% below average.
1,242
1,416
12% below average.
701
793
12% below average.
110
181
39% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 95/70-R17 |
|---|---|
| Rear tire size | 125/55-R17 |
| Power-to-weight ratio | 0.618 hp/kg |
| Power-to-weight | 618.0 hp/tonne |
| Specific power | 354.8 hp/L |
| Bore/stroke ratio | 0.99:1 (Square) |
Model information
| Year released | 2002 |
|---|---|
| Category | Sport |
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 124 cc (7.57 cu in) |
| Power | 44 hp (32.1 kW) @ 12,250 rpm |
| Torque | 25.0 Nm (2.5 kgf-m or 18.4 ft.lbs) @ 12,000 rpm |
| Bore × stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Compression ratio | 7.9:1 |
| Cooling system | Liquid |
Chassis and suspension
| Front wheel travel | 100 mm (3.9 inches) |
|---|---|
| Rear wheel travel | 129 mm (5.1 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 95/70-R17 |
| Rear tire | 125/55-R17 |
Dimensions and weight
| Dry weight | 71.2 kg (157 lb) |
|---|---|
| Seat height | 701 mm (27.6 inches) |
| Overall length | 1,828 mm (72.0 inches) |
| Overall width | 510 mm (20.1 inches) |
| Overall height | 1,033 mm (40.7 inches) |
| Wheelbase | 1,242 mm (48.9 inches) |
| Ground clearance | 110 mm (4.3 inches) |
Performance
| Power/weight ratio | 0.6180 hp/kg |
|---|
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.