Linhai M565L EURO IV, Owner'S Manual

Page: 96 / 101

M565Li OWNER’S/OPERATOR’S MANUAL
17. TROUBLESHOOTING
96
POOR SPEED PERFORMANCE
Ignition system
Compression
 Dirty spark plug  Worn cylinder
 Improper heat range  Worn or seized piston ring
 Faulty igniter unit  Cylinder head gasket broken

Faulty pick up coil

Cylinder gasket broken
Fuel system  Carbon deposit buildup
 Clogged fuel tank breather hole  Improper adjusted valve clearance
 Clogged air cleaner element
 fuel filter clogging  Improper contacted valve and valve seat
 the fuel pressure not correct  Faulty valve timing
Clutch

Refer to “CLUTCH SLIPPING /DRAGGING” section
Engine oil

Improper oil level (low or over Oil level)
Ignition system

Faulty spark plug

Faulty high tension cord

Faulty ignition unit

Faulty pick up coil

Faulty ignition coil
Valve system

Improperly adjusted valve clearance
OVERHEATING OR OVER-COOLING
OVERHEATING
OVER-COOLING
Ignition system Cooling system
 Improperly spark plug gap  Faulty thermostat
 Improper spark plug heat range  Faulty thermo switch
 Faulty igniter unit
Compression system
 Heavy carbon deposit build-up
 Improperly adjusted valve timing

Improperly adjusted valve clearance
Engine oil

Incorrect engine oil level
 Improper engine oil quality (High viscosity)
 Low engine oil quality
Brakes
 Dragging brakes