1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 13Get this manual
Inspection and Maintenance Schedule Before Each Use
1C heck that lanyard stop switch stops the engine2Visually inspect the fuel system for deterioration or le aks3C heck outboard for tightness on transom4C heck ste ering system for binding or loose components5R emote ontrol ModelsVisually check ste ering link rod fasteners for proper tightness6C heck propeller blades for damage
Every 100 Hours of Use or Once Yearly, Whichever Occurs First
1Lubricate all lubrication pointsLubricate more frequently when used in salt water2Inspect and cle an spark plugs3C heck engine fuel filter for contaminants4Adjust carburetor(s) (if required) 5C heck engine timing setup 6C heck corrosion control anodesC heck more frequently when used in salt water7Drain and replace ge ar case lubricant8Lubricate splines on the drive shaft9C heck power trim fluid10Inspect battery11C heck control cable adjustments