Triumph America 790 2002 Maintenance Schedule
The 2002 Triumph America 790 maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, brake fluid, drive chain maintenance, tires, oil, valve clearance, air filter and spark plugs. Intervals are shown in kilometres by default and can be switched to miles.
Sourced from Triumph Bonneville / Bonneville T100 / Thruxton / America / Speedmaster Owner's Handbook (shared multi-model handbook, carburetted/790-865cc generation) — ManualsLib doc 538503 (this document covers model years 2002–2004): manualslib.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Fuel system leak/chafe check | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check fuel system for leaks, chafing etc. |
| Throttle cable check/adjust | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check/adjust throttle cables. |
| Steering free-operation check | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check steering for free operation. |
| Fork oil replacement | Every 40,000 km | Advanced | Replace fork oil. |
| Brake fluid level check | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check brake fluid levels. |
| Brake caliper leak/seizure check | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check brake calipers for fluid leaks and seized pistons. |
| Brake master cylinder leak check | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check brake master cylinders for fluid leaks. |
| Brake fluid replacement | Every 24 months · Replace every 24 months | Moderate | Replace brake fluid. |
| Brake light operation check | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check brake light operation. |
| Brake pad wear check | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check brake pad wear levels. |
| Drive chain lubrication | Every 300 km | Easy | Lubricate drive chain. |
| Drive chain wear check | Every 800 km | Easy | Check drive chain wear. |
| Drive chain slack check/adjust | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check/adjust drive chain slack. |
| Fastener security check | Every 10,000 km (first at 800 km) · Every 12 months | Easy–Moderate | Visually inspect fasteners for security. |
| Tire wear/damage check | Every 10,000 km (first at 800 km) · Every 12 months | Moderate | Check tire wear/damage. |
| Tire pressure check/adjust | Every 10,000 km (first at 800 km) · Every 12 months | Moderate | Check/adjust tire pressures. |
| Clutch cable check/adjust | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check/adjust clutch cable. |
| Fuel and evaporative hose replacement | Every 40,000 km | Moderate | Replace fuel and evaporative hoses. |
| Secondary air injection system clean | Every 20,000 km · Every 24 months | Moderate | Clean secondary air injection system. |
| Engine/oil cooler leak check | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check engine/oil cooler for leaks. |
| Engine oil change | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Change engine oil. |
| Engine oil filter replacement | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Replace engine oil filter. |
| Valve clearance check/adjust | Every 20,000 km · Every 24 months | Advanced | Check/adjust valve clearances. |
| Air filter element replacement | Every 20,000 km · Every 24 months · Replace every 20,000 km | Easy | Replace air cleaner element. |
| Spark plug check | Every 20,000 km (first at 10,000 km) · Every 24 months | Easy–Moderate | Check spark plugs. |
| Spark plug replacement | Every 20,000 km · Every 24 months · Replace every 20,000 km | Easy–Moderate | Replace spark plugs. |
| Carburettor balance | Every 10,000 km · Every 12 months | Moderate | Balance carburettors. |
| Idle CO level check/adjust | Every 10,000 km (first at 800 km) · Every 12 months | Moderate | Check/adjust idle CO level. |
| Electrical systems check | Every 10,000 km (first at 800 km) · Every 12 months | Easy–Moderate | Check lights, instruments and electrical systems. |
| Steering head bearing check/adjust | Every 10,000 km (first at 800 km) · Every 12 months | Moderate | Check/adjust steering head bearings. |
| Steering head bearing lubrication | Every 20,000 km · Every 24 months | Moderate | Lubricate steering head bearings. |
| Forks leak/smooth-operation check | Every 10,000 km (first at 800 km) · Every 12 months | Easy | Check forks for leaks/smooth operation. |
| Wheel damage inspection | Every 10,000 km (first at 800 km) · Every 12 months | Moderate | Inspect wheels for damage. |
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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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