Moto Guzzi MGX-21 2018 Maintenance Schedule
The 2018 Moto Guzzi MGX-21 maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, spark plugs, air filter, oil, brake fluid, tires, valve clearance and battery. Intervals are shown in kilometres by default and can be switched to miles.
1380ccEngine size
35Maintenance items
Official manufacturer manual
Sourced from Moto Guzzi MGX-21 Owner's Manual, Scheduled Maintenance Table (pp.123-124) (this document covers model years 2016–2020): cadrecycle.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Exhaust pipe flange fixing bolts check | Every 20,000 km (first at 1,500 km) | Easy | Check and clean, adjust, or tighten exhaust pipe flange fixing bolts. |
| Spark plugs inspection | Every 20,000 km (first at 10,000 km) | Easy | Inspect spark plugs. |
| Spark plugs replacement | Every 20,000 km · Every 12 months · Replace every 20,000 km · Replace every 24 months | Easy | Replace spark plugs. |
| Stand check | Every 10,000 km | Easy | Check and lubricate side/centre stand pivot. |
| Controls check | Every 10,000 km (first at 1,500 km) | Easy | Check and lubricate transmission/clutch/brake cables and controls. |
| Generator belt replacement | Every 50,000 km | Moderate | Replace generator/alternator belt. |
| Steering bearings and steering clearance check | Every 10,000 km (first at 1,500 km) | Moderate | Check steering head bearing play; lubricate if necessary. |
| Wheel bearings check | Every 10,000 km | Moderate | Check front and rear wheel bearings for play. |
| Diagnosis by tool | Every 10,000 km (first at 1,500 km) | Easy | Run diagnostic tool check (ECU error memory / software version). |
| Brake discs check | Every 10,000 km (first at 1,500 km) | Easy | Check front and rear brake disc condition and thickness. |
| Air filter replacement | Every 10,000 km · Replace every 10,000 km | Easy | Replace air filter element. |
| Engine oil filter replacement | Every 10,000 km (first at 1,500 km) | Easy | Replace engine oil filter cartridge with every oil change. |
| Vehicle general operation check | Every 10,000 km (first at 1,500 km) | Easy | General check of overall vehicle operation. |
| Braking systems check | Every 10,000 km (first at 1,500 km) | Easy | Check braking system operation, hoses, and hardware. |
| Light circuit check | Every 10,000 km (first at 1,500 km) | Easy | Check lighting circuit and bulb operation. |
| Safety switches check | Every 20,000 km (first at 1,500 km) | Easy | Check sidestand, clutch, and brake safety switch operation. |
| Brake fluid level check | Every 10,000 km (first at 1,500 km) | Easy | Check front and rear brake fluid reservoir levels. |
| Brake fluid replacement | Every 20,000 km · Every 24 months · Replace every 20,000 km · Replace every 24 months | Moderate | Flush and replace front and rear hydraulic brake fluid. |
| Clutch fluid check | Every 10,000 km (first at 1,500 km) | Easy | Check hydraulic clutch fluid reservoir level. |
| Clutch fluid replacement | Every 24 months | Moderate | Flush and replace hydraulic clutch fluid. |
| Fork oil replacement | Every 40,000 km · Every 48 months | Advanced | Replace front fork oil. |
| Engine oil change | Every 10,000 km (first at 1,500 km) | Easy | Replace engine oil. |
| Final drive oil change | Every 50,000 km | Easy | Replace rear final drive cardan shaft bevel gear oil. |
| Clutch lever pin lubrication | Every 10,000 km (first at 1,500 km) | Easy | Lubricate hydraulic clutch lever pivot pin. |
| Tyres pressure and wear check | Every 10,000 km (first at 1,500 km) | Easy | Check tyre pressure and tread wear. |
| Valve clearance adjustment | Every 10,000 km (first at 1,500 km) | Moderate | Adjust valve clearances. |
| Wheels check | Every 10,000 km (first at 1,500 km) | Easy | Check wheel rims for damage. |
| Bolts and nuts tightening check | Every 10,000 km (first at 1,500 km) | Moderate | Check tightening of chassis, engine, and cycle-part bolts and nuts. |
| Battery terminals tightening check | Every 20,000 km (first at 1,500 km) | Easy | Check battery terminal tightness and corrosion. |
| Suspension check | Every 20,000 km (first at 1,500 km) | Moderate | Check front/rear suspension operation. |
| Filter box drainage tube cleaning | Every 10,000 km | Easy | Clean/empty the air filter box drainage tube. |
| Fuel lines inspection | Every 10,000 km · Replace every 48 months | Easy | Visually inspect fuel lines for cracking, chafing, or leaks; replace every 4 years. |
| Brake lines inspection | Every 10,000 km · Replace every 48 months | Easy | Visually inspect brake lines/hoses for cracking, chafing, or leaks; replace every 4 years. |
| Brake pad wear check | Every 10,000 km (first at 1,500 km) | Easy | Check front and rear brake pad wear; replace if necessary. |
| Gearbox oil change | Every 10,000 km (first at 1,500 km) · Replace every 10,000 km | Easy | Replace 6-speed gearbox transmission 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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