Yamaha TTR250L Service Manual page 10

INSPECTION AND REPAIR ........................................................................ 4-16
CYLINDER HEAD ................................................................................ 4-16
VALVE SEAT ....................................................................................... 4-16
VALVE AND VALVE GUIDE ............................................................... 4-20
VALVE SPRING .................................................................................. 4-21
CAMSHAFT ........................................................................................ 4-22
VALVE LIFTER .................................................................................... 4-24
TIMING CHAIN, SPROCKET AND CHAIN GUIDE ............................ 4-24
CYLINDER AND PISTON ................................................................... 4-25
PISTON RING ..................................................................................... 4-27
PISTON PIN ........................................................................................ 4-27
CRANKSHAFT .................................................................................... 4-28
BALANCER DRIVE GEAR AND BALANCER GEAR .......................... 4-29
PRIMARY DRIVE ................................................................................. 4-30
CLUTCH .............................................................................................. 4-30
TRANSMISSION AND SHIFTER ........................................................ 4-31
OIL PUMP AND STRAINER ............................................................... 4-33
ELECTRIC STARTER DRIVE ............................................................... 4-34
CRANKCASE ...................................................................................... 4-35
BEARING AND OIL SEAL .................................................................. 4-35
CIRCLIP AND WASHER ..................................................................... 4-35
ENGINE ASSEMBLY AND ADJUSTMENT ............................................... 4-36
CRANKSHAFT AND BALANCER ....................................................... 4-36
CRANKSHAFT AND BALANCER SHAFT .......................................... 4-37
TRANSMISSION ................................................................................ 4-38
SHIFTER .............................................................................................. 4-39
TRANSMISSION AND SHIFTER ........................................................ 4-40
CRANKCASE ...................................................................................... 4-42
CRANKCASE (RIGHT) ........................................................................ 4-43
SHIFT SHAFT ...................................................................................... 4-43
OIL PUMP ........................................................................................... 4-45
CLUTCH .............................................................................................. 4-46
OIL PUMP ........................................................................................... 4-47
CLUTCH .............................................................................................. 4-47
OIL FILTER .......................................................................................... 4-50
ROTOR AND STARTER DRIVES ........................................................ 4-51
ROTOR AND STARTER DRIVES ........................................................ 4-52
CYLINDER AND PISTON ................................................................... 4-54
CYLINDER AND PISTON ................................................................... 4-55
CYLINDER HEAD ................................................................................ 4-57
VALVE, CAMSHAFT AND CAM CHAIN ............................................ 4-58
VALVE AND CAMSHAFT ................................................................... 4-59
CYLINDER HEAD ................................................................................ 4-61
REMOUNTING ENGINE ..................................................................... 4-63
GEN
1
INFO
2
SPEC
INSP
3
ADJ
4
ENG
5
CARB
6
CHAS
- +
7
ELEC
TRBL
8
SHTG