CFMOTO 300 NK (EURO 4/5) (2021) — Specs

Identity
Manufacturer: CFMOTO
Model: 300 NK (EURO 4/5)
Category: Naked
Type: Motorcycle
Years: 2021 →
Engine
Displacement (cc): 292
Cylinders: 1
Power (hp): 27
Power (kW): 20
Torque (Nm): 25
Dimensions

Overall length: 2050 mm
Overall width: 815 mm
Overall height: 1075 mm
Wheelbase: 1410 mm
Ground clearance: 145 mm
Weight (kg): 151
Seat height (mm): 795
Tank (L): 12.5
Tires
Front tire: 110/70 R17
Rear tire: 140/60 R17
Front pressure (bar): 2.3
Rear pressure (bar): 2.3
Drivetrain
Drive chain: 520 chain
Ignition
Plug gap: 0.8-0.9 mm
Fluids & Filters
Engine oil: SAE10W-40, API SJ
Engine oil (with filter, L): 1.4
Oil filter: Hiflofiltro HF303
Air filter: Hiflofiltro HFA2606
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~312 km on a full tank (12.5 L)
Service
Battery: YTX7L-BS
Service interval (km): 6000
Service interval (months): 12
Valve check (km): 24000
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 24,000 km. Engine oil: oil grade SAE10W-40, API SJ, 1.4 L with filter change. Brake fluid: DOT 4. Chain: chain drive. Tire pressure: front 2.3 bar, rear 2.3 bar (cold). Tire size: front 110/70 R17, rear 140/60 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, 1.8 L (with filter)
- OEM OEM recommended engine oil (SAE 10W-40)
- 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 |
- Premium Liqui Moly Motorbike 4T
- Standard Repsol Moto Racing 4T (Synthetic)
- Standard Elf Moto 4 Tech (Semi-Synthetic)
- Standard TotalEnergies Quartz Moto 4T
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 HF303
- Premium Hiflofiltro HF303
- Premium K&N KN-303
Air filter
Spec: Hiflofiltro HFA2606
- Standard Hiflofiltro HFA2606
Spark plug
Spec: NGK CR8E, gap 0.7-0.8 mm
- OEM NGK CR8E
- Premium NGK CR8EIX
- Standard NGK CR8E
Front brake pads
Spec: EBC FA179HH
- Premium EBC FA179HH
Rear brake pads
Spec: EBC FA179HH
- Premium EBC FA179HH
Drive chain
Spec: chain drive
- OEM OEM chain (pitch 520 (or 428 for some commuter 250s))
Front sprocket
Rear sprocket
Front tire
Spec: 110/70 R17, 2.3 bar
- OEM OEM 110/70 R17
Rear tire
Spec: 140/60 R17, 2.3 bar
- OEM OEM 140/60 R17
Battery
- Premium Yuasa YTX9-BS or YTZ7S (typical 250-500cc)
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: 24 000 km
Suspension
Spec: 37 mm USD fork
- OEM Fork: 37 mm USD fork
