Kawasaki Z125 2021 Maintenance Schedule
The 2021 Kawasaki Z125 maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, air filter, spark plugs, valve clearance, oil, tires, drive chain maintenance and brake fluid. Intervals are shown in kilometres by default and can be switched to miles.
125ccEngine size
32Maintenance items
Official manufacturer manual
Sourced from Kawasaki Motors Official Owner Center (Service Manual) (this document covers model years 2019–2025): kawasaki.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Idle speed check | Every 12,000 km | Easy | Check and adjust idle speed. |
| Fuel system check | Every 12,000 km (first at 1,000 km) · Every 12 months | Moderate | Check fuel system for leaks/proper operation. |
| Fuel hose replacement | Every 60 months | Moderate | Replace fuel hose. |
| Steering play check | Every 12,000 km · Every 12 months | Easy | Check steering play/looseness. |
| Throttle control system check | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Check throttle control system play, smooth return, no drag. |
| Air cleaner element replacement | Every 12,000 km · Every 24 months | Easy | Replace air cleaner element (more frequently in severe/dusty conditions). |
| Electrical system check | Every 12,000 km · Every 12 months | Easy | Check electrical system operation. |
| Spark plug replacement | Every 12,000 km (first at 1,000 km) · Replace every 12,000 km | Moderate | Replace spark plugs. |
| Chassis parts lubrication | Every 12,000 km · Every 12 months | Easy | Lubricate chassis parts, pivots, and cables. |
| Steering stem bearing lubrication | Every 24,000 km · Every 24 months | Moderate | Lubricate steering stem bearing. |
| Evaporative emission control system check | Every 24,000 km | Moderate | Check evaporative emission control system (California models). |
| Valve clearance check | Every 12,000 km | Advanced | Check and adjust valve clearance. |
| Clutch operation check | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Check clutch play, engagement, disengagement. |
| Engine oil and filter change | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Change engine oil and oil filter. |
| Tire air pressure check | Every 12,000 km · Every 12 months | Easy | Check tire air pressure when cold. |
| Wheel and tire check | Every 12,000 km · Every 12 months | Easy | Check wheel and tire condition/wear. |
| Wheel bearing damage check | Every 12,000 km · Every 12 months | Moderate | Check wheel bearings for damage. |
| Drive chain lubrication condition check | Every 600 km | Easy | Check drive chain lubrication condition. |
| Drive chain slack check | Every 1,000 km | Easy | Check and adjust drive chain slack. |
| Drive chain wear check | Every 6,000 km | Easy | Check drive chain for wear. |
| Drive chain guide wear check | Every 12,000 km | Easy | Check drive chain guide for wear. |
| Brake system check | Every 12,000 km | Easy | Check overall brake system. |
| Brake operation check | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Check brake effectiveness, play, no drag. |
| Brake fluid level check | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Check front and rear brake fluid level. |
| Brake fluid change | Every 24,000 km · Every 24 months | Moderate | Replace front and rear brake fluid. |
| Brake hose replacement | Every 48 months | Moderate | Replace brake hoses. |
| Rubber parts of brake master cylinder and caliper replacement | Every 48 months | Advanced | Replace rubber seals/dust seals of brake master cylinder and caliper. |
| Brake pad wear check | Every 12,000 km · Every 12 months | Easy | Check brake pad wear. |
| Brake light switch operation check | Every 12,000 km (first at 1,000 km) · Every 12 months | Easy | Check brake light switch operation. |
| Suspension system check | Every 12,000 km · Every 12 months | Easy | Check front and rear suspension operation. |
| Lubrication of rear suspension | Every 24,000 km | Moderate | Lubricate rear suspension linkage. |
| Bolts, nuts, and fasteners tightness check | Every 12,000 km (first at 1,000 km) | Easy | Check tightness of chassis bolts, nuts, and fasteners. |
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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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