Installation Overview........................................................3-54
3.20 ROCKER ARM SUPPORT PLATE
Removal Overview............................................................3-55
Disassembly.....................................................................3-55
Cleaning and Inspection...................................................3-55
Inspection..................................................................3-55
Rocker Shaft Fit.........................................................3-55
Rocker Arm Shaft to Bushing....................................3-56
Replace Rocker Arm Bushings.................................3-56
Assembly..........................................................................3-57
Installation Overview........................................................3-57
3.21 PUSH RODS, LIFTERS AND COVERS
Removal Overview............................................................3-58
Disassembly.....................................................................3-58
Cleaning and Inspection...................................................3-58
Lifter Inspection................................................................3-59
Assembly..........................................................................3-59
Installation Overview........................................................3-60
3.22 CYLINDER HEAD
Removal Overview............................................................3-61
Disassembly.....................................................................3-61
Cleaning...........................................................................3-62
Inspection.........................................................................3-63
Cylinder Head............................................................3-63
Valve Guides.............................................................3-63
Valves........................................................................3-63
Valve Springs............................................................3-63
Tapered Keepers.......................................................3-64
Valve Seats...............................................................3-64
Valve Guide Replacement................................................3-64
Removal....................................................................3-64
Installation.................................................................3-65
Valve and Seat Refacing..................................................3-68
Assembly..........................................................................3-70
Installation Overview........................................................3-71
3.23 CYLINDER
Removal Overview............................................................3-72
Cleaning...........................................................................3-72
Inspection.........................................................................3-73
Deglazing Cylinder...........................................................3-74
Boring and Honing Cylinder.............................................3-75
Installation Overview........................................................3-75
3.24 PISTON
Removal Overview............................................................3-76
Disassembly.....................................................................3-76
Piston Rings..............................................................3-76
Cleaning...........................................................................3-76
Inspection.........................................................................3-77
Assembly..........................................................................3-78
Checking Piston Ring Gap........................................3-78
Installing Piston Rings...............................................3-79
Installation Overview........................................................3-80
3.25 COVER AND CAM SUPPORT PLATE
Removal Overview............................................................3-81
Camshafts........................................................................3-82
Removal....................................................................3-82
Assembly...................................................................3-83
Oil Pressure Relief Valve..................................................3-84
Removal....................................................................3-84
Installation.................................................................3-84
Inspection..................................................................3-85
Cam Needle Bearings......................................................3-85
Removal....................................................................3-85
Installation.................................................................3-86
Cleaning and Inspection...................................................3-88
Oil Pressure Valve.....................................................3-88
Cam Support Plate....................................................3-88
Installation Overview........................................................3-88
3.26 OIL PUMP
Removal Overview............................................................3-89
Cleaning and Inspection...................................................3-89
Installation Overview........................................................3-89
3.27 CRANKCASE
Removal Overview............................................................3-90
Right Crankcase Half........................................................3-90
Crankshaft Bearing Removal....................................3-90
Crankshaft Bearing Installation.................................3-90
Piston Jets Removal..................................................3-91
Piston Jets Installation...............................................3-91
Left Crankcase Half..........................................................3-91
Crankshaft (Roller) Bearing Removal........................3-91
Crankshaft (Roller) Bearing Installation.....................3-93
Sprocket Shaft Bearing Inner Race..................................3-94
Removal....................................................................3-94
Installation.................................................................3-95
Cylinder Studs..................................................................3-96
Removal....................................................................3-96
Installation.................................................................3-96
Pipe Plug and Oil Fittings.................................................3-97
Removal....................................................................3-97
Installation.................................................................3-97
Cleaning and Inspection...................................................3-97
Installation Overview........................................................3-97
3.28 FLYWHEEL AND CONNECTING RODS
Removal Overview............................................................3-98
Inspection.........................................................................3-98
Installation Overview........................................................3-98
3.29 OIL PAN
Removal...........................................................................3-99
Installation........................................................................3-99
FUEL SYSTEM
4.1 SPECIFICATIONS: FUEL SYSTEM
Specifications.....................................................................4-1
4.2 ELECTRONIC FUEL INJECTION (EFI)
Troubleshooting..................................................................4-2
4.3 IDLE SPEED
General...............................................................................4-3
TABLE OF CONTENTS VII
TABLE OF CONTENTS
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