PERIODIC MAINTENANCE 2-1
PERIODIC MAINTENANCE SCHEDULE _______________________ 2- 2
PERIODIC MAINTENANCE CHART .............................................................. 2- 2
MAINTENANCE AND TUNE-UP PROCEDURES _________________ 2- 3
ENGINE OIL / ENGINE OIL FILTER ............................................................... 2- 3
GEAR OIL ........................................................................................................ 2- 6
LUBRICATION ................................................................................................. 2- 7
SPARK PLUG .................................................................................................. 2- 8
VALVE CLEARANCE ....................................................................................... 2- 9
IDLE SPEED ......................................................................................... 2-11
CARBURETOR ................................................................................................ 2-13
• EXTERNAL CHECK .................................................................................. 2-13
• SYNCHRONIZING THROTTLE VALVES ................................................... 2-13
• DASHPOT ADJUSTMENT ......................................................................... 2-15
IGNITION TIMING ............................................................................................ 2-17
BREATHER AND FUEL LINE ......................................................................... 2-17
FUEL FILTER ................................................................................................... 2-17
WATER PUMP / WATER PUMP IMPELLER ................................................... 2-18
PROPELLER / NUT / COTTER PIN ................................................................ 2-18
ANODES AND BONDING WIRES .................................................................. 2-19
BATTERY ......................................................................................................... 2-20
BOLT AND NUTS ............................................................................................ 2-21
OIL PRESSURE ___________________________________________ 2-22
CYLINDER COMPRESSION _________________________________ 2-24
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PERIODIC MAINTENANCE
CONTENTS