Craftsman Marine CM4.65 / CM4.80 — Draining of the water separator and bleeding of the fuel system
Maintenance · Fuel filter/water separator
For the Craftsman Marine CM4.65 / CM4.80, from the Craftsman Marine owner's manual.
Applies to: Hyundai CM4.65 engine, Hyundai CM4.80 engine
Before you start
- Do not smoke when draining liquids from engine or filters; keep open fire away
Procedure
- Open the drain plug at the bottom of the filter housing.
- Drain the water and collect it in a bowl; close the drain plug.
- Bleed the fuel system: turn the key in the start switch to the 'ON' position.
- After about 1 minute the fuel lift pump operates and bleeds the system automatically.
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.