Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil | 4.2 qt | — | 200 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The Northern Lights L731 is a 1.13 L 3-cylinder natural engine rated at 1800 rpm. It powers generator sets from Northern Lights, including the M773LW. It holds 4 L (1.1 gal) of oil.
Also known as: Lugger L731
| Oil capacity | 4.0 L |
|---|---|
| Displacement | 1.13 L |
| Cylinders | 3 |
| Aspiration | natural |
| Rated speed | 1800 rpm |
How to read your Northern Lights engine serial & model number →
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil | 4.2 qt | — | 200 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The Northern Lights L731 engine has an oil capacity of 4.0 liters.
The Northern Lights L731 has a displacement of 1.13 liters with 3 cylinders.
The Northern Lights L731 powers 1 generator set(s), including Northern Lights M773LW.
The Northern Lights L731 oil change interval is every 200 hours.