Craftsman Marine CM4.65 / CM4.80 — Replacing the fuel filter
Maintenance
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 working at or around the fuel system and avoid open fire
Procedure
- Close off the fuel supply to the engine.
- Remove the entire filter with a special tool; collect residual fuel and dispose of it per environmental directives.
- Clean the surface to touch the engine before fitting the filter; grease the rubber ring with clean engine oil.
- Fill the filter with clean diesel fuel.
- Position the filter against the filter housing and tighten it with one half to three quarters of a turn.
- Bleed the fuel system afterwards.
Tools required
- Special filter tool Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Replace the fuel filter after the first 50 hours
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.