Craftsman Marine — Gearbox oil level, draining and adding

Maintenance

From a Craftsman Marine owner's manual covering: CM 2.16, CM 3.27, CM3.27. Check it applies to your exact model before use.

Applies to: Craftsman Marine CM 2.16, Craftsman Marine CM 3.27

Procedure

1. Remove the dipstick from the housing of the gearbox.
2. Clean the dipstick and position it again into the opening to verify the level of the lubricant.
3. If the level is too low, add fresh lubricant through the opening for the dipstick.
4. To drain: first remove either the dipstick or the filler cap, depending on the gearbox model.
5. Position the hose of the special sump pump into the pipe of the dipstick and extract the oil.
6. If there is sufficient space below the gearbox, the drain plug may also be removed to let the oil out.
7. Collect the oil in a bowl and treat it in accordance with the environmental directives.
8. Fill the gearbox with its lubricant through the hole of the dipstick, or via the filler cap if available.

Source: Craftsman Marine owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

More Craftsman Marine repair guides →