CHAPTER 4
ENGINE
CARBURETOR
..........................................4-1
CYLINDER HEAD
......................................4-8
CAMSHAFT AND ROCKER ARMS
........4-13
VALVES AND VALVE SPRINGS
............4-16
CYLINDER AND PISTON
........................4-21
CLUTCH
...................................................4-27
KICK AXLE
..............................................4-33
SHIFT SHAFT
..........................................4-34
OIL PUMP
................................................4-36
CDI MAGNETO (TT-R90)
........................4-39
CDI MAGNETO AND STARTER
CLUTCH (TT-R90E)
.................................4-41
CRANKCASE AND CRANKSHAFT
........4-45
SHIFT FORK, SHIFT CAM AND
TRANSMISSION
......................................4-48
CHAPTER 5
CHASSIS
FRONT WHEEL AND REAR WHEEL
.......5-1
FRONT FORK
............................................5-6
HANDLEBAR
.............................................5-9
STEERING
...............................................5-11
SWINGARM
.............................................5-12
CHAPTER 6
ELECTRICAL
ELECTRICAL COMPONENTS AND
WIRING DIAGRAM
....................................6-1
IGNITION SYSTEM
....................................6-3
ELECTRIC STARTING SYSTEM
(TT-R90E)
..................................................6-7
CHARGING SYSTEM (TT-R90E)
............6-15
CARBURETOR HEATING SYSTEM
.......6-17
MAINTENANCE RECORD
......................6-21