Yamaha 50hp Outboard Maintenance
Purchase
- Oil filter
- Spark plugs
- O-ring gaskets for oil and gear case plugs
- Marine Engine Oil – SAE 10W-30 for 4-stroke
- Gearcase lubricant – SAE 90W
- All purpose marine grease
Tools
- Paper towels
- Disposable gloves
- 14mm socket (oil drain)
- 18mm socket (spark plugs)
- Socket wrench + extender
- Large flat head screwdriver (gear case drain screws)
- Oil filter wrench
- Gearcase lubricant pump (with aluminum adapter)
- Pliers
- Small piece of 2×4 lumber
- Oil drain pan + box to stand it on
- Flattened cardboard box (lay underneath motor to catch any spills)
- Metal file
Propeller
- Remove pin and remove bolt then propeller
- File minor dings
- Some people online suggested following for stuck props, but I’ve never had an issue:
- Torch to help free a stuck prop
- Chisel to free frozen sleeve
- Grease and reassemble prop
Recent Comments