Aprilia SR 50 DiTech 2003 Maintenance Schedule
The 2003 Aprilia SR 50 DiTech maintenance schedule below covers the manufacturer's recommended service intervals for coolant, battery, spark plugs, air filter, general maintenance, brake fluid, oil and tires. Intervals are shown in kilometres by default and can be switched to miles.
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Sourced from Aprilia SR 50 Service and Repair Manual 964X part #8140222, "Regular Service Intervals Chart" p.14 (hosted by 49ccscoot.com; already cited in aprilia.txt for this exact model/generation) (this document covers model years 2000–2004): 49ccscoot.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Coolant replacement | Every 24 months · Replace every 24 months | Moderate | Drain and replace engine coolant. |
| Battery/electrolyte level check | Every 4,000 km (first at 500 km) · Every 8 months | Easy | Check battery electrolyte level and terminals. |
| Spark plug check / replacement | Every 4,000 km (first at 500 km) · Every 8 months · Replace every 8,000 km · Replace every 16 months | Easy | Check at break-in and every service; replace at the major-service tier. |
| Air cleaner check / clean | Every 4,000 km (first at 500 km) · Every 8 months | Easy | Check at break-in; clean at every subsequent service. |
| Brake locking (parking) operation check | Every 4,000 km (first at 500 km) · Every 8 months | Easy | Check brake-lock/parking mechanism. |
| Light system check | Every 4,000 km (first at 500 km) · Every 8 months | Easy | Check lighting system operation. |
| Stop light switches check | Every 4,000 km · Every 8 months | Easy | Check front/rear brake-lever stop-light switches. |
| Brake fluid level check | Every 4,000 km · Every 8 months | Easy | Check brake fluid reservoir level. |
| 2-stroke oil level check | Every 500 km | Easy | Check 2-stroke premix oil tank level. |
| Coolant level check | Every 2,000 km | Easy | Check coolant reservoir level. |
| Headlight beam direction/operation check | Every 4,000 km · Every 8 months | Easy | Check headlight beam aim and operation. |
| Tire pressure adjustment | Every 1 month | Easy | Adjust tire pressure. |
| Engine idling rpm adjustment | Every 4,000 km (first at 500 km) · Every 8 months | Easy | Adjust idle rpm. |
| Suspension check | Every 4,000 km (first at 500 km) · Every 8 months | Moderate | Check front and rear suspension condition. |
| Front and rear brake pad wear check | Every 2,000 km (first at 500 km) | Easy | Check front and rear brake pad wear. |
| Rear brake shoe wear check (indicator) | Every 4,000 km (first at 500 km) · Every 8 months | Easy | Check rear brake shoe wear via the wear indicator. |
| Automatic transmission (CVT) belt check | Every 8,000 km · Every 16 months | Moderate | Check CVT drive belt condition/wear. |
| Steering bearings and steering play check | Every 4,000 km (first at 500 km) · Every 8 months | Moderate | Check steering head bearing play. |
| Wheel bearings check | Every 4,000 km · Every 8 months | Moderate | Check front and rear wheel bearings. |
| 2-stroke oil filter cleaning | Every 8,000 km · Every 16 months | Easy | Clean 2-stroke oil tank filter. |
| Braking systems check | Every 4,000 km (first at 500 km) · Every 8 months | Easy | Check front and rear braking systems. |
| Rear brake cam pin greasing | Every 4,000 km · Every 8 months | Easy | Grease rear drum brake cam pin. |
| Cooling system check | Every 4,000 km (first at 500 km) · Every 8 months | Easy | Check cooling system hoses/radiator. |
| Brake fluid replacement | Every 12 months · Replace every 12 months | Moderate | Replace brake fluid. |
| Mixer/throttle operation check | Every 4,000 km (first at 500 km) · Every 8 months | Easy | Check 2-stroke oil mixer pump / throttle linkage operation. |
| Transmission (hub) oil change | Every 3,000 km (first at 500 km) · Replace every 12,000 km · Replace every 24 months | Easy | Replace at break-in, check every service, replace again every 12000km or 2 years. |
| Wheels/tires check | Every 4,000 km · Every 8 months | Easy | Check wheel and tire condition. |
| Nut, bolt, and screw tightening check | Every 4,000 km (first at 500 km) · Every 8 months | Moderate | Check tightness of chassis fasteners. |
| Front and rear suspension check | Every 4,000 km (first at 500 km) · Every 8 months | Moderate | Check front and rear suspension units (separate chart line from the general 'Suspension' check above). |
| 2-stroke oil reserve warning light check | Every 4,000 km (first at 500 km) · Every 8 months | Easy | Check operation of the 2-stroke oil reserve warning light. |
| Brake fluid bleeding | Every 4 months | Moderate | Bleed hydraulic brake system. |
| Fuel pipe check / replacement | Every 4,000 km · Replace every 48 months | Easy | Check fuel pipes; replace every 4 years. |
| Braking system pipes check / replacement | Every 4,000 km · Replace every 48 months | Moderate | Check brake system pipes; replace every 4 years. |
| 2-stroke oil lines check / replacement | Every 4,000 km · Replace every 48 months | Easy | Check 2-stroke oil supply lines; replace every 4 years. |
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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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