Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Replace internal element | — | 500 hr | ||
| Fuel filter | — | 200 hr | |||
| Oil filter | — | 200 hr | |||
| Coolant | — | 1000 hr | |||
| Oil | Kohler synthetic or API SJ+ detergent oil | 1.7 L | — | 200 hr | |
| Spark plug | Replace and gap | — | 500 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.