Yamaha 90a Owner's Manual

Also see for 60F: Service manual Owner's manual Owner's manual Owner's manual Owner's manual

Contents

Yamaha 90a Owner's Manual Manual pdf 62 page image

Maintenance56EMU34446Maintenance chart 1TIP:● Refer to the sections in this chapter for explanations of each owner-specific action.● The maintenance cycle on these charts assume usage of 100 hours per year and regularflushing of the cooling water passages. Maintenance frequency should be adjusted whenoperating the engine under adverse conditions such as extended trolling.● Disassembly or repairs may be necessary depending on the outcome of maintenancechecks.● Expendable or consumable parts and lubricants will lose their effectiveness over time andthrough normal usage regardless of the warranty period.● When operating in salt water, muddy, other turbid (cloudy), acidic water, the engine shouldbe flushed with clean water after each use.The “ ” symbol indicates the check-ups which you may carry out yourself.The “ ” symbol indicates work to be carried out by your Yamaha dealer.Item ActionsInitial Every20 hours(3months)100hours (1year)300hours (3years)500hours (5years)Anode(s) (external) Inspection or replace-ment as necessaryAnode(s) (cylinderhead, thermostatcover)Inspection or replace-ment as necessaryAnodes (exhaust cover,cooling water passagecover, Rectifier Regula-tor cover)ReplacementBattery (electrolytelevel, terminal) InspectionBattery (electrolytelevel, terminal)Fill, charging or replac-ing as necessaryCooling water leakage Inspection or replace-ment as necessaryCowling lock lever InspectionEngine starting condi-tion/noise InspectionEngine idlespeed/noise InspectionFuel filter (can be dis-assembled)Inspection or replace-ment as necessaryFuel line (High pres-sure) Inspection