TABLE OF CONTENTS
COOLANT REPLACEMENT ....................................................................................... 491
COOLANT PUMP HOUSING...................................................................................... 492
THERMOSTAT...................................................................................................... 493
COOLANT PUMP IMPELLER ..................................................................................... 494
ROTARY SEAL...................................................................................................... 494
CARE ................................................................................................................ 496
10 FUEL SYSTEM
01 – FUEL CIRCUIT ............................................................................................... 499
GENERAL........................................................................................................... 505
REMOVAL .......................................................................................................... 506
INSPECTION........................................................................................................ 508
ASSEMBLY ......................................................................................................... 509
FUEL SYSTEM PRESSURIZATION................................................................................ 509
02 – AIR INTAKE (2-STROKE) ................................................................................... 511
GENERAL........................................................................................................... 513
REMOVAL .......................................................................................................... 513
ASSEMBLY ......................................................................................................... 514
REMOVAL .......................................................................................................... 516
ASSEMBLY ......................................................................................................... 517
03 – CARBURETOR ............................................................................................... 519
GENERAL........................................................................................................... 520
REMOVAL .......................................................................................................... 520
CLEANING.......................................................................................................... 520
DISASSEMBLY AND INSPECTION ............................................................................... 521
ASSEMBLY ......................................................................................................... 523
INSTALLATION ..................................................................................................... 525
ADJUSTMENTS.................................................................................................... 525
11 LUBRICATION SYSTEM (2-STROKE)
01 – OIL INJECTION SYSTEM .................................................................................. 529
GENERAL........................................................................................................... 531
OIL SYSTEM PRESSURIZATION.................................................................................. 531
02 – OIL INJECTION PUMP...................................................................................... 533
OIL PUMP IDENTIFICATION ...................................................................................... 536
REMOVAL .......................................................................................................... 536
DISASSEMBLY ..................................................................................................... 536
CLEANING.......................................................................................................... 536
ASSEMBLY ......................................................................................................... 536
ADJUSTMENT...................................................................................................... 538
CHECKING OPERATION........................................................................................... 541
12 ELECTRICAL SYSTEM
01 – IGNITION SYSTEM ......................................................................................... 543
GENERAL........................................................................................................... 543
MULTI-PURPOSE ELECTRONIC MODULE (MPEM)............................................................ 544
IGNITION TIMING ................................................................................................. 544
PROCEDURE....................................................................................................... 552
SPARKPLUGS...................................................................................................... 555
02 – CHARGING SYSTEM ....................................................................................... 559
GENERAL........................................................................................................... 559
TESTING PROCEDURE............................................................................................ 562
VIII