Aprilia SX 125 2018 Maintenance Schedule
The 2018 Aprilia SX 125 maintenance schedule below covers the manufacturer's recommended service intervals for brake fluid, coolant, spark plugs, oil, air filter, valve clearance, general maintenance and drive chain maintenance. Intervals are shown in kilometres by default and can be switched to miles.
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Sourced from Aprilia "Trust Aprilia Maintenance" official interval sheet (MY2020) (Maintenance Schedule) (this document covers model years 2018–2025): wlassets.aprilia.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Brake fluid replacement | Every 24 months · Replace every 24 months | Moderate | Replace brake fluid. |
| Coolant replacement | Every 24 months · Replace every 24 months | Moderate | Drain and replace engine coolant. |
| Spark plug replacement | Every 12,000 km | Easy | Replace spark plug. |
| Engine oil and filter change | Every 6,000 km (first at 1,000 km) · Every 12 months | Easy | Change engine oil and oil filter. |
| Air filter cleaning | Every 6,000 km | Easy | Clean air filter element. |
| Valve clearance check/adjustment | Every 12,000 km | Advanced | Check and adjust valve clearances. |
| Fuel and oil pipes/filters check | Every 18,000 km (first at 12,000 km) | Easy | Check fuel and oil supply pipes and filters. |
| Timing chain check | Every 30,000 km | Moderate | Check cam timing chain condition/tension. |
| Front suspension oil change | Every 36,000 km | Advanced | Replace front fork oil. |
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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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