
2
. GENERAL INFORMATION
2-36
VITALITY 50
Starter relay shorted or stuck
closed
TROUBLESHOOTING (4-STROKE)
ENGINE WILL NOT START OR IS HARD TO START
Empty fuel tank
Clogged fuel line between fuel
tank and carburetor
Clogged float oil passage
Clogged fuel tank cap breather
hole
Clogged fuel filter
Clogged fuel strainer
Faulty auto fuel
valve
Faulty charging system
Faulty spark plug
Fouled spark plug
Faulty CDI unit
Faulty pulser coil
Broken or shorted ignition coil
Broken or shorted exciter coil
Faulty ignition switch
Weak or dead battery
Faulty starter clutch
Valve clearance too small
Improper valve and seat contact
Worn cylinder, piston and piston
rings
Leaking cylinder head gasket
Seized valve
Improper valve timing
Faulty auto bystarter
Air leaking through intake pipe
Incorrect ignition timing
Incorrectly adjusted pilot screw
Flooded carburetor
Faulty auto bystarter
Throttle valve excessively open
Check if fuel reaches
carburetor by loosening
drain screw
Remove spark plug and
install it into spark plug
cap to test spark by
connecting it to engine
ground
Inspection/Adjustment
Probable Cause
Spark jumps
Normal
compression
Engine does not
fire
Weak or no spark
Low or no
compression
Engine fires but
does not start
Test cylinder
compression
Start engine by
follow-ing normal
starting procedure
Remove spark plug and
inspect again
Symptom
Fuel reaches
carburetor
Fuel does not
reach carburetor
Wet spark plug
Dry spark plug
Содержание Vitality 50
Страница 20: ...2 GENERAL INFORMATION 2 15 VITALITY 50 WIRING DIAGRAM 2 STROKE ...
Страница 21: ...2 GENERAL INFORMATION 2 16 VITALITY 50 WIRING DIAGRAM 4 STROKE ...
Страница 47: ...2 GENERAL INFORMATION 2 42 VITALITY 50 Faulty ignition coil ...
Страница 66: ...4 LUBRICATION SYSTEM 4 1 VITALITY 50 LUBRICATION SYSTEM 2 STROKE ...
Страница 67: ...4 LUBRICATION SYSTEM 4 2 VITALITY 50 4 STROKE Oil Pump Oil Filter Screen Crankshaft Rocker Arm Shaft ...
Страница 92: ...6 4 STROKE CYLINDER HEAD VALVES 6 1 VITALITY 50 ...
Страница 107: ...7 CYLINDER HEAD 2 STROKE CYLINDER PISTON 7 1 VITALITY 50 2 STROKE Torque 1 0 1 2kg m Torque 1 1 1 7kg m cold ...
Страница 108: ...7 CYLINDER HEAD 2 STROKE CYLINDER PISTON 7 2 VITALITY 50 4 STROKE ...
Страница 126: ...8 A C GENERATOR 8 1 VITALITY 50 Torque 3 5 4 0kg m Torque 0 8 1 2kg m Torque 0 6 1 0kg m Torque 0 8 1 2kg m ...
Страница 150: ...10 FINAL REDUCTION 10 1 VITALITY 50 ...
Страница 159: ...11 CRANKCASE CRANKSHAFT 11 1 VITALITY 50 2 STROKE Torque 0 8 1 2kg m ...
Страница 160: ...11 CRANKCASE CRANKSHAFT 11 2 VITALITY 50 4 STDROKE ...
Страница 173: ...12 CARBURETOR 12 1 VITALITY 50 ...
Страница 259: ...16 ELECTRICAL EQUIPMENT 16 17 VITALITY 50 ELECTRIC STARTER Starter Motor Starter Relay ...
Страница 263: ...16 ELECTRICAL EQUIPMENT 16 21 VITALITY 50 ...
Страница 275: ...18 SPECIFICATIONS 18 1 4 STROKE ...