Kawasaki Ninja 125 2023 Maintenance Schedule
The 2023 Kawasaki Ninja 125 maintenance schedule below covers the manufacturer's recommended service intervals for coolant, oil, general maintenance, drive chain maintenance, brake fluid, spark plugs, valve clearance and air filter. Intervals are shown in kilometres by default and can be switched to miles.
Sourced from Kawasaki EU KTIVS Manuals Portal (pws.ktivs.net) (this document covers model years 2021–2025): pws.ktivs.net
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Coolant, water hose and O-ring replacement | Every 36,000 km · Every 36 months | Moderate | Replace coolant, water hose and O-ring. |
| Engine oil and oil filter change | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Drain and replace engine oil and oil filter. |
| Wheel bearing damage check | Every 12,000 km · Every 12 months | Moderate | Inspect wheel bearings for damage. |
| Drive chain wear check | Every 6,000 km | Easy | Inspect drive chain for wear/stretch. |
| Drive chain guide wear check | Every 12,000 km | Easy | Inspect drive chain guide for wear. |
| Brake system check | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Inspect front and rear brake system. |
| Brake operation check | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Inspect brake effectiveness, play, no drag. |
| Brake fluid change | Every 24,000 km · Every 24 months | Moderate | Replace front and rear brake fluid. |
| Suspension system check | Every 12,000 km · Every 12 months | Moderate | Inspect front and rear suspension. |
| Rear suspension lubrication | Every 24,000 km | Moderate | Lubricate rear suspension linkage. |
| Steering play check | Every 12,000 km (first at 1,000 km) · Every 12 months | Moderate | Inspect steering play. |
| Steering stem bearing lubrication | Every 24,000 km · Every 24 months | Moderate | Lubricate steering stem bearing. |
| Electrical system check | Every 12,000 km · Every 12 months | Easy | Inspect electrical system. |
| Spark plug replacement | Every 12,000 km (first at 1,000 km) · Replace every 12,000 km | Easy | Replace spark plug. |
| Throttle control system check | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Inspect throttle control system play, smooth return, no drag. |
| Brake master cylinder and caliper rubber parts replacement | Every 48,000 km · Every 48 months | Advanced | Replace rubber parts of brake master cylinder and caliper. |
| Fuel hose replacement | Replace every 60 months | Moderate | Replace fuel hose(s). |
| Evaporative emission control system check | Every 24,000 km | Easy | Inspect evaporative emission control system. |
| Cooling system check | Every 12,000 km (first at 1,000 km) · Every 12 months | Moderate | Inspect cooling system for leaks and proper operation. |
| Valve clearance check | Every 12,000 km | Advanced | Inspect and adjust valve clearances. |
| Brake hose replacement | Replace every 48 months | Moderate | Replace front and rear brake hoses. |
| Nut, bolt, and fastener tightness check | Every 12,000 km (first at 1,000 km) | Easy | Inspect condition of bolts, nuts and fasteners. |
| Air cleaner element inspection | Every 12,000 km · Replace every 24 months | Easy | Inspect air cleaner element; dealer-replace regardless of mileage once the time interval elapses. |
| Idle speed check | Every 12,000 km (first at 1,000 km) | Easy | Inspect and adjust idle speed. |
| Fuel system check | Every 12,000 km (first at 1,000 km) · Every 12 months | Moderate | Inspect fuel system for leaks and proper operation. |
| Chassis parts lubrication | Every 12,000 km · Every 12 months | Easy | Lubricate chassis parts. |
| Air suction valve system check | Every 12,000 km | Moderate | Inspect air suction (secondary air) valve system. |
| Clutch operation check | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Inspect clutch play, engagement and disengagement. |
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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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