Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | If the engine is equipped with an oil bath type air cleaner, fill to the level indicated with oil of the same viscosity as used in the crankcase. However, a non-detergent (straight mineral) oil is recommended. | — | |||
| Fuel filter | Change fuel filter every 500 hours or as needed. | — | 500 hr | ||
| Oil filter | Change oil filter every 100 hours or as needed. | — | 100 hr | ||
| Battery | Service batteries regularly to maintain proper charge and performance. Check electrolyte levels, clean terminals as needed. | — | 1440 hr | ||
| Belt | Not explicitly stated in the document. | — | |||
| Coolant | Change coolant every 1000 hours or as needed. Use recommended coolant type and concentration. | 18.0 U.S. gallons | — | 1000 hr | |
| Oil | Change oil and filter every 100 hours or as needed. | 26.5 L | — | 100 hr | |
| Spark plug | Replace spark plugs every 1000 hours or as needed. Use recommended spark plug type and gap. | — | 1000 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.