User`s manual

42
Service and Maintenance USER’S MANUAL
Common Faults and Troubleshooting
Fault system
Fault
Causes
Troubleshooting
EPA Device
Emitted pollutants exceed
applicable standards
Too much carbon is built up at the secondary air intake
port.
Clean the carbon buildup at the
secondary air intake port.
The air pump is blocked or damaged.
Replace the air pump.
The air pump filter is blocked or damaged.
Replace the air pump filter.
The intake rubber hose is leaking.
Replace the intake rubber hose.
The clamp is loose or damaged
Replace the clamp.
Ignition system Weak or no spark
Excessive carbon buildup on the spark plug.
Clean the carbon buildup and dirt on the spark plug .
The spark plug is not gapped properly
Adjust the gap
The spark plug is damaged
Replace the spark plug
Short-circuit of the ignition coil
Replace the ignition coil
C.D.I is faulty.
Replace C.D.I
The stator is faulty.
Replace the stator
The connection of the ignition system is loose.
Check each connection.
Engine Mechanical The engine will not idle
The cylinder head is leaking
Replace the cylinder head
Valves are not adjusted properly .
Adjust the valves to specificed clearance.
Excessive blowby from piston rings
Replace piston rings/hone or replace cylinder