Lexmoto Assault 125 2023 Maintenance Schedule
The 2023 Lexmoto Assault 125 maintenance schedule below covers the manufacturer's recommended service intervals for oil, valve clearance, spark plugs, air filter, general maintenance, drive chain maintenance, brake fluid, tires and battery. Intervals are shown in kilometres by default and can be switched to miles.
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Sourced from Lexmoto Assault 125 Euro 5 model page (Spec Page) (this document covers model years 2021–2025): lexmoto.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Engine oil change | Every 3,000 km (first at 1,000 km) · Every 12 months | Easy | Replace engine oil and clean oil strainer. |
| Oil strainer screen cleaning | Every 3,000 km (first at 1,000 km) · Every 12 months | Easy | Clean oil pump mesh strainer screen. |
| Valve clearance inspection | Every 4,000 km · Every 12 months | Moderate | Inspect and adjust valve clearances. |
| Spark plug inspection & cleaning | Every 3,000 km · Every 12 months | Easy | Inspect electrode and gap. |
| Spark plug replacement | Every 6,000 km · Every 12 months · Replace every 6,000 km · Replace every 12 months | Easy | Replace spark plug. |
| Air filter cleaning | Every 3,000 km · Every 12 months | Easy | Clean air filter element. |
| Air filter replacement | Every 6,000 km · Every 12 months · Replace every 6,000 km · Replace every 12 months | Easy | Replace air filter element. |
| EFI throttle body & idle check | Every 3,000 km · Every 12 months | Easy | Check throttle body operation and idle speed. |
| OBD fault code diagnostic scan | Every 3,000 km · Every 12 months | Easy | Scan onboard diagnostic system for stored fault codes. |
| Clutch cable free play check | Every 3,000 km · Every 12 months | Easy | Check and adjust clutch cable free play. |
| Drive chain cleaning & lubrication | Every 1,000 km · Every 3 months | Easy | Clean and lubricate drive chain. |
| Drive chain tension adjustment | Every 1,000 km · Every 3 months | Easy | Maintain 15-25 mm chain slack. |
| Drive chain & sprocket wear inspection | Every 3,000 km · Every 12 months | Easy | Inspect chain and sprocket teeth wear. |
| Combined braking system (CBS) inspection | Every 3,000 km · Every 12 months | Easy | Check CBS linkage and brake pad thickness. |
| Brake fluid level check | Every 3,000 km · Every 12 months | Easy | Check hydraulic brake fluid level. |
| Brake fluid replacement | Every 12,000 km · Every 24 months · Replace every 12,000 km · Replace every 24 months | Moderate | Flush and replace hydraulic brake fluid. |
| Front fork oil seal & leak inspection | Every 6,000 km · Every 24 months | Easy | Visually inspect fork seals for leaks. |
| Steering head bearing check | Every 6,000 km · Every 24 months | Moderate | Check steering head bearing play. |
| Wheel bearing check | Every 6,000 km · Every 24 months | Moderate | Check wheel bearing play. |
| Wheel nut & axle torque check | Every 3,000 km · Every 12 months | Moderate | Check tightness of axle nuts. |
| Chassis fastener torque check | Every 3,000 km · Every 12 months | Moderate | Check tightness of frame and crash bar fasteners. |
| Tire pressure & tread inspection | Every 1,000 km · Every 1 month | Easy | Check cold tire pressures and tread depth. |
| Battery voltage & terminal check | Every 3,000 km · Every 6 months | Easy | Check battery voltage and terminals. |
| Lighting, horn & switch check | Every 3,000 km · Every 12 months | Easy | Check lights, horn, and switches. |
| Side stand cutout switch check | Every 3,000 km · Every 12 months | Easy | Check side stand safety cutout switch. |
| General road test & safety inspection | Every 3,000 km · Every 12 months | Easy | Full road test checking CBS, ABS (if fitted) and general operation. |
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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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