CFMOTO 125NK 2025 Maintenance Schedule
The 2025 CFMOTO 125NK maintenance schedule below covers the manufacturer's recommended service intervals for brake fluid, valve clearance, spark plugs, coolant, oil, general maintenance, air filter, battery, tires and drive chain maintenance. Intervals are shown in kilometres by default and can be switched to miles.
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Sourced from CFMoto Official Manuals (150NK chart applied to 125NK; no 125NK-specific chart located) (this document covers model years 2023–2025): web.archive.org
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Brake fluid replacement | Every 24 months · Replace every 24 months | Moderate | Replace brake fluid front and rear. |
| Valve clearance inspection | Every 2,500 km | Advanced | Inspect and adjust engine valve clearances. |
| Spark plug replacement | Every 10,000 km · Replace every 6,000 km | Easy | Replace spark plug. |
| Coolant replacement | Every 35,000 km · Every 24 months · Replace every 24 months | Moderate | Drain and replace engine coolant. |
| Engine oil and oil filter change | Every 5,000 km (first at 1,000 km) · Every 6 months | Easy | Replace engine oil and oil filter. |
| Oil strainer cleaning | Every 5,000 km · Every 6 months | Moderate | Clean the engine oil strainer/mesh filter. |
| Clutch inspection | Every 5,000 km | Easy | Inspect clutch operation. |
| Idle speed inspection | Every 10,000 km | Easy | Inspect idle speed setting. |
| Throttle system inspection | Every 5,000 km | Easy | Inspect throttle system operation and free play. |
| Air filter element cleaning | Every 5,000 km | Easy | Clean the air filter element. Severe-use item -- halve interval under dusty/wet conditions. |
| Air filter element replacement | Every 20,000 km · Every 24 months | Easy | Replace the air filter element. |
| Spark plug inspection | Every 5,000 km | Easy | Inspect spark plug condition and gap. |
| Electrical parts function check | Every 10,000 km · Every 12 months | Moderate | Inspect function of electrical parts. |
| Battery inspection | Every 5,000 km · Every 6 months | Easy | Inspect battery condition and charge. |
| Fuses and circuit breakers check | Every 5,000 km · Every 6 months | Easy | Inspect fuses and circuit breakers. |
| Wiring harness inspection | Every 10,000 km · Every 12 months | Easy | Inspect wiring for damage, bending and correct routing. |
| Tire condition inspection | Every 7,500 km · Every 12 months | Easy | Inspect tire tread condition and wear. |
| Tire pressure check | Every 7,500 km · Every 12 months | Easy | Check and adjust tire pressure. |
| Wheel bearing inspection | Every 7,500 km | Moderate | Inspect front and rear wheel bearings. |
| Front and rear brake system inspection | Every 7,500 km · Every 12 months | Easy | Inspect front and rear brake system. |
| Brake disc inspection | Every 7,500 km · Every 12 months | Easy | Inspect brake discs for wear/damage. |
| Brake pad inspection | Every 7,500 km · Every 12 months | Easy | Inspect brake pad wear. Severe-use item. |
| Brake fluid level check | Every 7,500 km · Every 12 months | Easy | Check brake fluid reservoir level. |
| Brake hose inspection | Every 7,500 km · Every 12 months | Moderate | Inspect brake hoses for damage and sealing. |
| Brake lever free-play inspection | Every 7,500 km · Every 12 months | Easy | Inspect brake lever for correct free play. |
| Suspension system inspection | Every 7,500 km | Moderate | Inspect suspension system. |
| Rear shock absorber and front fork leak check | Every 7,500 km · Every 12 months | Moderate | Inspect front forks and rear shock for oil leaks; service as required. |
| Swing arm inspection | Every 7,500 km | Moderate | Inspect swing arm. |
| Coolant level check | Every 7,500 km · Every 12 months | Easy | Check coolant reservoir level. |
| Coolant condition inspection | Every 7,500 km · Every 12 months | Moderate | Inspect coolant condition. |
| Radiator fan function check | Every 7,500 km · Every 12 months | Moderate | Check radiator cooling fan operation. |
| Frame inspection | Every 30,000 km | Moderate | Inspect frame. |
| Steering bearing inspection | Every 7,500 km | Advanced | Inspect steering head bearings. |
| Drive chain, sprocket and engine sprocket wear inspection | Every 7,500 km | Easy | Inspect drive chain, rear sprocket and engine sprocket for wear. Severe-use item. |
| Diagnostic connector data read | Every 7,500 km · Every 12 months | Moderate | Read fault memory via diagnostic tool (PDA). |
| Moving parts lubrication | Every 7,500 km · Every 12 months | Easy | Lubricate moving parts; inspect for flexibility. |
| Bolts and nuts tightness check | Every 7,500 km · Every 12 months | Easy | Inspect bolts and nuts for tightness. |
| Cables and wiring inspection | Every 7,500 km · Every 12 months | Easy | Inspect cables and wires for damage, bending and routing. |
| Pipes, ducts, hoses and sleeves inspection | Every 7,500 km · Every 12 months | Moderate | Inspect pipes, ducts, hoses and sleeves for cracks, sealing and routing. |
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Easy: basic tools, straightforward Easy–Moderate: varies by task — somewhere between the two Moderate: some mechanical know-how helps Advanced: specialized tools/skill, still DIY-doable Expert: significant experience required Professional: dealer or shop recommended
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