
6
. CYLINDER HEAD/VALVES
6-8
Bet & Win 125/150
INSPECTION
CYLINDER HEAD
Check the spark plug hole and valve areas for
cracks.
Check the cylinder head for warpage with a
straight edge and feeler gauge.
Service Limit
: 0.05mm repair or replace if
over
VALVE SPRING FREE LENGTH
Measure the free length of the inner and outer
valve springs.
Service Limits
:
Inner (IN, EX)
: 29.3mm replace if below
Outer (IN, EX): 32.0mm replace if below
VALVE /VALVE GUIDE
Inspect each valve for bending, burning,
scratches or abnormal stem wear.
Check valve movement in the guide.
Measure each valve stem O.D.
Service Limits
: IN: 4.925mm replace if
below
EX: 4.915mm replace if
below
CYLINDER HEAD ASSEMBLY
Install the valve spring seats and stem seals.
Lubricate each valve stem with engine oil and
insert the valves into the valve guides.
Be sure to install new valve stem seals.
Straight Edge
Feeler Gauge
Valve Spring Compressor
Содержание Bet & Win 125
Страница 19: ...1 GENERAL INFORMATION 1 17 Bet Win 125 150 WIRING DIAGRAM...
Страница 32: ...2 EXHAUST MUFFLER FRAME COVERS 2 1 Bet Win 125 150 SCHEMATIC DRAWING...
Страница 58: ...5 ENGINE REMOVAL INSTALLATION 5 1 Bet Win 125 150 SCHEMATIC DRAWING...
Страница 64: ...6 CYLINDER HEAD VALVES 6 1 Bet Win 125 150 SCHEMATIC DRAWING...
Страница 76: ...7 CYLINDER PISTON 7 1 Bet Win 125 150 SCHEMATIC DRAWING...
Страница 85: ...8 DRIVE AND DRIVEN PULLEYS KICK STARTER 8 1 Bet Win 125 150 SCHEMATIC DRAWING...
Страница 103: ...9 FINAL REDUCTION 9 1 Bet Win 125 150 SCHEMATIC DRAWING...
Страница 112: ...10 A C GENERATOR STARTER CLUTCH 10 1 Bet Win 125 150 SCHEMATIC DRAWING...
Страница 119: ...11 CRANKCASE CRANKSHAFT 11 1 Bet Win 125 150 SCHEMATIC DRAWING...
Страница 127: ...12 COOLING SYSTEM 12 1 Bet Win 125 150 SCHEMATIC DRAWING Torque 9 8_ 13 7N m Left Hand Threads...
Страница 145: ...13 FUEL SYSTEM CARBURETOR FUEL PUMP FUEL TANK 13 1 Bet Win 125 150 FUEL SYSTEM...
Страница 146: ...13 FUEL SYSTEM CARBURETOR FUEL PUMP FUEL TANK 13 2 Bet Win 125 150 SCHEMATIC DRAWING...
Страница 167: ...14 STEERING HANDLEBAR FRONTWHEEL FRONT BRAKE FRONTSHOCKABSORBER FRONTFORK 14 1 Bet Win 125 150 SCHEMATIC DRAWING...
Страница 186: ...15 REAR BRAKE REAR FORK REAR WHEEL REAR SHOCK ABSORBER 15 1 Bet Win 125 150 SCHEMATIC DRAWING...