Yamaha YB125Z
Rs 424,000
last price, no longer made here
- 124 cc
- 10.8 PS
- ~45 km/l
- 107 kg
Bike comparison
Yamaha YB125Z vs Triumph Speed 400
Who wins on price, power, fuel and weight, then every spec side by side.
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Who wins what
The quick answer before the full table.
- Yamaha YB125Z4
- Triumph Speed 4004
- Most powerTriumph Speed 40040 PS
- Most pulling powerTriumph Speed 40037.5 Nm
- Best fuel averageYamaha YB125Z~45 km/l
- Goes furthest on a tankYamaha YB125Z~585 km
- Quickest (power to weight)Triumph Speed 400235 PS/t
- LightestYamaha YB125Z107 kg
- Lowest seatYamaha YB125Z770 mm
- Most ground clearanceTriumph Speed 400158 mm
Full specifications
| Full specifications |  Yamaha YB125Z |  Triumph Speed 400 |
|---|---|---|
| Price and running costs | ||
| Price in Pakistan | Rs 424,000 | Not sold new in Pakistan |
| Brand | Yamaha · Japan | Triumph · United Kingdom |
| Type of bike | Everyday | Classic |
| Fuel average | ~45 km/l | ~30 km/l |
| Petrol tank | 13 L | 13 L |
| On a full tank | ~585 km | ~390 km |
| Engine and performance | ||
| Engine size | 124 cc | 398 cc |
| Cylinders | 1 | 1 |
| Cooling | Air | Liquid (radiator) |
| Power | 10.8 PS @ 7,500 rpm | 40 PS @ 8,000 rpm |
| Torque | 10.4 Nm @ 6,500 rpm | 37.5 Nm @ 6,500 rpm |
| Power to weight | 101 PS / tonne | 235 PS / tonne |
| Top speed | — | 170 km/h |
| Fuel system | Carburettor | Fuel injection |
| Gearbox and controls | ||
| Gearbox | 5-speed | 6-speed |
| Starting | Self and kick | Self start |
| Size and weight | ||
| Weight | 107 kg (dry) | 170 kg (with fluids) |
| Seat height | 770 mm | 790 mm |
| Ground clearance | 150 mm | 158 mm |
| Wheelbase | 1,285 mm | 1,377 mm |
| Length × width × height | 1,980 × 735 × 1,045 mm | — |
| Colours | Black, Red | — |
| Brakes, wheels and suspension | ||
| Brakes (front / back) | — | Disc 300 / Disc 230 |
| ABS | — | Both wheels |
| Tyres (front / back) | 2.75-18 / 3.00-18 | 110/70-17 / 150/60-17 |
| Suspension (front / back) | — | 43 mm upside-down fork / Monoshock |
Figures are each maker's own claims for the version shown. Fuel average is a rough real-world figure and depends on how you ride. Prices change often, so check with a dealer before you buy.
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What will petrol cost you?
Enter how far you ride and today's petrol price.
- Yamaha YB125Z—a month
- Triumph Speed 400—a month
Questions people ask
Which gives better fuel average, Yamaha YB125Z or Triumph Speed 400?
Yamaha YB125Z does around 45 km per litre against about 30 km/l for Triumph Speed 400, in normal riding.
Which is more powerful, Yamaha YB125Z or Triumph Speed 400?
Triumph Speed 400 makes 40 PS @ 8,000 rpm; Yamaha YB125Z makes 10.8 PS @ 7,500 rpm.
Which is lighter, Yamaha YB125Z or Triumph Speed 400?
Yamaha YB125Z weighs about 107 kg and Triumph Speed 400 about 170 kg, so Yamaha YB125Z is easier to push and park.
Yamaha YB125Z or Triumph Speed 400: which should I buy?
Buy Yamaha YB125Z if you care most about best fuel average, goes furthest on a tank. Buy Triumph Speed 400 if most power, most pulling power matters more. Ask us on WhatsApp and we will help you choose.
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Photo credits
- Yamaha YB125Z: PakWheels (maker's photo)
- Triumph Speed 400: Corvettec6r, CC BY 4.0
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Figures are each maker's own claims for the version shown. Fuel average is a rough real-world figure and depends on how you ride. Prices change often, so check with a dealer before you buy.