Honda CB 125 F (EURO 5) (2021–2023) — Specs
Identity
Manufacturer: Honda
Model: CB 125 F (EURO 5)
Category: Motorcycle
Type: Motorcycle
Years: 2021 → 2023
Engine
Displacement (cc): 124
Cylinders: 1
Power (hp): 11
Power (kW): 8
Torque (Nm): 11
Dimensions
Overall length: 1950 mm
Overall width: 720 mm
Overall height: 1110 mm
Wheelbase: 1340 mm
Ground clearance: 150 mm
Weight (kg): 117
Seat height (mm): 790
Tank (L): 11
Tires
Front tire: 80/100-18
Rear tire: 90/90-18
Front pressure (bar): 1.8
Rear pressure (bar): 2.3
Drivetrain
Drive chain: 420 chain, 118 links
Sprockets (front / rear): 14 / 41
Ignition
Spark plug: NGK CPR8EA-9
Plug gap: 0.8-0.9 mm
Fluids & Filters
Engine oil: SAE10W-30, API SG
Engine oil (with filter, L): 0.9
Engine oil (without filter, L): 0.85
Oil filter: Hiflofiltro HF124
Air filter: Hiflofiltro HFA1119
Brake fluid: DOT 4
Fuel consumption
Manufacturer / WMTC: 2.5 L/100 km
Real-world range: ~440 km on a full tank (11.0 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. Valve clearance — intake cold 0.06 - 0.10mm, exhaust cold 0.18 - 0.22mm. Engine oil: oil grade SAE10W-30, API SG, 0.9 L with filter change, 0.85 L without filter change. Spark plug: NGK CPR8EA-9 (gap 0.8-0.9 mm). Brake fluid: DOT 4. Chain: 118 links, sprockets 14/41 teeth. Tire pressure: front 1.8 bar, rear 2.3 bar (cold). Tire size: front 80/100-18, rear 90/90-18. 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-30, 0.9 L (with filter)
- OEM OEM recommended engine oil (SAE 10W-30)
- Premium Motul 7100 4T (100% Synthetic, Ester)
- Premium Motul 5100 4T Technosynthese (Semi-Synthetic)
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 (Synthetic)
- Standard Elf Moto 4 Tech (Semi-Synthetic)
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 HF124
- Premium Hiflofiltro HF124
- Premium K&N KN-124
Air filter
Spec: Hiflofiltro HFA1119
- Standard Hiflofiltro HFA1119
Spark plug
Spec: NGK CPR7EA-9, gap 0.8-0.9 mm
- OEM NGK CPR7EA-9
- Premium NGK CPR7EAIX-9
- Standard NGK CPR7EA-9
Front brake pads
Spec: OEM front pad (EBC equivalent: FA174HH)
- Premium EBC FA174HH
- Standard EBC FA174 (organic)
Rear brake pads
Spec: OEM rear pad (EBC equivalent: FA192HH)
- Premium EBC FA192HH
- Standard EBC FA192 (organic)
Drive chain
Spec: 118 links | Sprockets 14/41 teeth / 118 links
Front tire
Spec: 80/100-18, 1.8 bar
- OEM OEM 80/100-18
Rear tire
Spec: 90/90-18, 2.3 bar
- OEM OEM 90/90-18
Battery
Spec: OEM battery: Yuasa YTX7L-BS
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
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
- OEM Intake clearance: cold 0.06 - 0.10mm
- OEM Exhaust clearance: cold 0.18 - 0.22mm
Suspension
Spec: 31 mm telescopic fork / 145 +/- 2.5 ml 10W
- OEM Fork: 31 mm telescopic fork
- OEM Fork oil grade: 145 +/- 2.5 ml 10W
