FOREWORD .................................................................................................................................................................................................... 4
ENGINE TOOLS LIST 450 SEF-R..................................................................................................................................................................... 5
TECHNICAL SPECIFICATIONS ........................................................................................................................................................................ 6
• ENGINE ......................................................................................................................................................................................................................... 6
• CHASSIS ....................................................................................................................................................................................................................... 7
FACTORY SETTINGS ...................................................................................................................................................................................... 8
• FORK ............................................................................................................................................................................................................................ 8
• SHOCK ABSORBER ........................................................................................................................................................................................................ 9
REMOVING/INSTALLING THE ENGINE .......................................................................................................................................................... 11
• REMOVING THE ENGINE .............................................................................................................................................................................................. 11
• INSTALLING THE ENGINE IN THE FRAME ..................................................................................................................................................................... 12
REMOVING THE ENGINE .............................................................................................................................................................................. 13
• PREPARATION ............................................................................................................................................................................................................. 13
• REMOVING THE CYLINDER HEAD COVER ..................................................................................................................................................................... 13
• REMOVING THE CAMSHAFT ........................................................................................................................................................................................ 14
• REMOVING THE DISTRIBUTION TENSIONER ................................................................................................................................................................ 14
• REMOVING THE DRIVE CHAIN ...................................................................................................................................................................................... 14
• REMOVING THE CYLINDER HEAD ................................................................................................................................................................................. 15
• REMOVING THE CYLINDER .......................................................................................................................................................................................... 15
• REMOVING THE PISTON .............................................................................................................................................................................................. 15
• REMOVING THE IGNITION COVER ................................................................................................................................................................................. 15
• REMOVING THE ROTOR ............................................................................................................................................................................................... 16
• REMOVING THE DRIVE CHAIN ...................................................................................................................................................................................... 16
• REMOVING THE ELECTRIC STARTER ............................................................................................................................................................................ 16
• REMOVING THE CLUTCH ............................................................................................................................................................................................. 17
• REMOVING THE WATER PUMP HOUSING ...................................................................................................................................................................... 17
• REMOVING THE CLUTCH HOUSING .............................................................................................................................................................................. 17
• REMOVING THE CLUTCH BELLHOUSING ...................................................................................................................................................................... 18
• REMOVNG THE FREEWHEEL SPROCKET ...................................................................................................................................................................... 19
• REMOVING THE OIL PUMP ........................................................................................................................................................................................... 19
• CHANGING THE OIL PUMP ........................................................................................................................................................................................... 19
• REMOVING THE INDEX SHIM ....................................................................................................................................................................................... 19
• SEPARATING THE CENTRAL CRANKCASES .................................................................................................................................................................. 20
• REMOVING THEGEARBOX ............................................................................................................................................................................................ 20
• REMOVING THE CRANKSHAFT ..................................................................................................................................................................................... 20
2
450 SEF-R