Suzuki 2003-2007 DF60 DF70 Outboard Motors Service Manual, Page 355Get this manual
DF6070 "K7" ('07) MODEL
PERIODIC MAINTENANCE SCHEDULE
The chart below lists the recommended intervals for all the required periodic service work necessary to keep the motor operating at peak performance and economyMaintenance intervals should be judged by number of hours or months, whichever comes firstNOTE: More frequent servicing should be performed on outboard motors that are used under severe conditions
PERIODIC MAINTENANCE CHART
Interval Item to be serviced Spark plug Breather hoseFuel line Engine oil Gear oil Lubrication AnodesBonding wires Battery Engine oil filter Low pressure fuel filter High pressure fuel filter Ignition timing Timing belt Idle speed Valve clearance Water pump Water pump impeller Propeller nutpin BoltsNuts Initial 20 hrsor month Every 50 hrsor months Every 100 hrsor months Every 200 hrsor 12 months I