Yamaha MT-125 (EURO 4) (2020) — Specs
Identity
Manufacturer: Yamaha
Model: MT-125 (EURO 4)
Category: Naked
Type: Motorcycle
Years: 2020 → 2020
Engine
Displacement (cc): 124
Cylinders: 1
Power (hp): 15
Power (kW): 11
Torque (Nm): 11.5
Dimensions
Overall length: 1990 mm
Overall width: 690 mm
Overall height: 1075 mm
Wheelbase: 1355 mm
Ground clearance: 160 mm
Weight (kg): 140
Seat height (mm): 810
Tank (L): 10
Tires
Front tire: 100/80 R17
Rear tire: 140/70 R17
Front pressure (bar): 2
Rear pressure (bar): 2.2
Drivetrain
Drive chain: 420 chain, 130 links
Sprockets (front / rear): 14 / 52
Ignition
Spark plug: NGK MR8E-9
Plug gap: 0.8-0.9 mm
Fluids & Filters
Engine oil: SAE10W-40, API SG
Engine oil (with filter, L): 0.95
Engine oil (without filter, L): 0.85
Oil filter: Hiflofiltro HF152
Air filter: Hiflofiltro HFA1112
Coolant (L): 0.65
Brake fluid: DOT 4
Fuel consumption
Estimated: 2.5 L/100 km
Estimated range: ~400 km on a full tank (10.0 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: YTX7L-BS
Service interval (km): 6000
Service interval (months): 12
Valve check (km): 12000
Parts and consumables for this motorcycle
Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.
Service notes
Service interval: every 6,000 km or 12 months, whichever comes first. Valve clearance check every 12,000 km. Engine oil: oil grade SAE10W-40, API SG, 0.95 L with filter change, 0.85 L without filter change. Spark plug: NGK MR8E-9 (gap 0.8-0.9 mm). Brake fluid: DOT 4. Coolant capacity: 0.65 L. Chain: 130 links, sprockets 14/52 teeth. Tire pressure: front 2 bar, rear 2.2 bar (cold). Tire size: front 100/80 R17, rear 140/70 R17. Always confirm critical values with the workshop manual or an authorised dealer.
OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.
Engine oil
Spec: SAE 10W-40, 1.0 L (with filter)
- OEM OEM recommended engine oil (SAE 10W-40)
- Premium Motul 7100
- Premium Motul 5100
Which Motul for this bike?
| Motul 7100 4T ✓ | Motul 5100 4T | |
|---|---|---|
| Product | Motul 7100 4T — 100% fully synthetic | Motul 5100 4T — semi-synthetic |
| Best for | Sport, Naked, Adventure (600cc+), track | Standard, Cruiser, Scooter, daily use |
| RPM protection | Excellent — ester base, stable under load | Good — for normal riding conditions |
- Standard Repsol Moto Racing 4T
- Standard Elf Moto 4 Tech
Fully Synthetic vs Semi-Synthetic
| Fully Synthetic | Semi-Synthetic | |
|---|---|---|
| Base oil | 100% chemical synthesis (ester or PAO) | Mineral oil + synthetic additives |
| Heat resistance | Excellent — stable at extreme heat & RPM | Good — suitable for normal temperatures |
| Cold start | Better — reaches engine faster when cold | Good — adequate for normal climates |
| Change interval | Longer (up to 10,000 km) | Shorter (5,000–7,000 km typical) |
| Price | Higher | Lower |
Oil filter
Spec: Hiflofiltro HF152
- Premium Hiflofiltro HF152
- Premium K&N KN-152
Air filter
Spec: Hiflofiltro HFA1112
- Standard Hiflofiltro HFA1112
Spark plug
Spec: NGK CR9EIA-9, gap 0.6-0.7 mm
- OEM NGK CR9EIA-9
- Premium NGK CR9EIA-9
- Standard NGK CR9EIA-9
Front brake pads
Spec: OEM front pad (EBC equivalent: FA226HH)
- Premium EBC FA226HH
- Standard EBC FA226 (organic)
Rear brake pads
Spec: OEM rear pad (EBC equivalent: FA174HH)
- Premium EBC FA174HH
- Standard EBC FA174 (organic)
Drive chain
Spec: 130 links | Sprockets 14/52 teeth / 130 links
Front tire
Spec: 100/80 R17, 2.0 bar
- OEM OEM 100/80 R17
Rear tire
Spec: 140/70 R17, 2.2 bar
- OEM OEM 140/70 R17
Battery
Spec: OEM battery: Yuasa YTX7L-BS
- OEM OEM battery: Yuasa YTX5L-BS
- Premium Yuasa YTX5L-BS
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Spec: 0.65 L coolant capacity
Service interval
Spec: 6 000 km / 12 months
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
Valve check
Spec: 12 000 km
Suspension
Spec: 41 mm USD fork
- OEM Fork: 41 mm USD fork
