Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Remove and service the carburetor and oil filler cap and crankcase ventilator outlet air cleaners every 50 hours or less, depending on the severity of working conditions. | — | 50 hr | ||
| Fuel filter | Check fuel supply. | — | |||
| Oil filter | — | 100 hr | |||
| Battery | Test the electrolyte in the battery. The specific gravity of a fully charged battery is 1.275. | — | |||
| Belt | — | 50 hr | |||
| Coolant | — | ||||
| Coolant filter | — | ||||
| Oil | SAE 30, SAE 20W, SAE 10W, SAE 5W | 24.0 % quarts | — | 50 hr | |
| Spark plug | Resistor type (45165), size 14 mm | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.