BRP Johnson 4HP - Periodic Maintenance

2-1
PERIODIC MAINTENANCE
CONTENTS
PERIODIC MAINTENANCE
CONTENTS
PERIODIC MAINTENANCE SCHEDULE ................................................................................................. 2-2
PERIODIC MAINTENANCE CHART ......................................................................................................... 2-2
MAINTENANCE AND TUNE-UP PROCEDURES .................................................................................... 2-3
ENGINE OIL / ENGINE OIL FILTER ......................................................................................................... 2-3
ENGINE OIL CHANGE ........................................................................................................................... 2-4
ENGINE OIL FILTER INSPECTION .......................................................................................................... 2-5
GEAR OIL ................................................................................................................................................. 2-6
LUBRICATION ......................................................................................................................................... 2-7
COOLING SYSTEM FLUSHING .............................................................................................................. 2-8
SPARK PLUG ........................................................................................................................................... 2-9
SPARK PLUG GAP ............................................................................................................................... 2-9
CONDITION OF ELECTRODE / INSULATOR ............................................................................................ 2-9
VALVE CLEARANCE ............................................................................................................................. 2-10
CHECKING AND ADJUSTING VALVE CLEARANCE ............................................................................... 2-10
IDLE SPEED ........................................................................................................................................... 2-12
CARBURETOR ....................................................................................................................................... 2-13
IGNITION TIMING ................................................................................................................................... 2-13
BREATHER HOSE AND FUEL LINE ..................................................................................................... 2-14
FUEL FILTER ......................................................................................................................................... 2-14
WATER PUMP / WATER PUMP IMPELLER ......................................................................................... 2-14
PROPELLER / NUT / COTTER PIN ....................................................................................................... 2-15
ANODES ................................................................................................................................................. 2-15
BOLTS AND NUTS ................................................................................................................................ 2-15
CYLINDER COMPRESSION .................................................................................................................. 2-16