2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 75Get this manual
Periodic checks and adjustments
Maintenance interval chart
Use the following chart as guideline for general maintenanceAdjust the maintenance intervals according to the operating conditions of the outboardInitial Item Top cowling Top cowling fit Fuel system Fuel joint and fuel hoses Fuel filter Fuel tank Power unit Engine oil Oil filter Timing belt Valve clearance Spark plugs Thermostat Water leakage Motor exterior Exhaust leakage Cooling water passage Control system Throttle cable Shift cable Engine idle speed Ignition timing Power trim and tilt unit Power trim and tilt Lower unit Gear oil Lower unit leakage Propeller General Anodes Battery Wiring and connectors Nuts and bolts Lubrication points Remarks Every
10 hours 50 hours 100 hours 200 hours (Break-in) (3 months) (6 months) (1 year)