Checking Oil on Craftsman 316.794610 Leaf Blower

From the Operator's Manual:

Craftsman INCREDI.PULL 316.794610 Operator`s manual : Free Download, Borrow, and Streaming : Internet Archive

CHECKING THE OIL LEVEL

The importance of checking and maintaining the proper oil level in the crankcase cannot be overemphasized. Check oil before each use:

1. Stop the engine and allow oil to drain into the crankcase.
2. Place the engine on a level surface.
3. Clean the area around the oil plug before removing it. Keep dirt, grass clippings, and other debris out of the engine.
4. Remove the oil plug (Fig. 14).
5. Look into the oil fill hole (use a flashlight if needed). The oil should be just touching the innermost thread (Fig. 13).
6. If the oil level is not touching the innermost thread on the oil fill hole, add a small amount of oil to the oil fill hole and recheck (Fig. 13).

Repeat this procedure until the oil level reaches the innermost thread on the oil fill hole.

NOTE: Do not overfill the unit.

NOTE: Make sure the O-ring is in place on the oil plug when checking and changing the oil (Fig. 14).

According to the manual, the mower takes exactly 2.03 oz of SAE 30 motor oil, so you could always drain the oil then measure out that amount (I'm sure 2 oz will do) and refill it.