Use and Care Manual

T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0
17. TROUBLESHOOTING
17-4
POOR IDLE SPEED PERFORMANCE
EFI Air cleaner
the fuel pressure not correct Clogged air cleaner element
 fuel filter clogging Ignition system
fuel injector clogging Faulty spark plug
Faulty high tension cord
Faulty ignitor unit
Faulty pick up coil
Faulty ignition coil
Valve system
Improperly adjusted
valve clearance
POOR MEDIUM AND HIGH SPEED PERFORMANCE
Air cleaner
Clogged air cleaner element
EFI
the fuel pressure not correct
 fuel filter clogging
fuel injector clogging
POOR SPEED PERFORMANCE
Ignition system Compression system
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
Clogged air cleaner element clearance
fuel filter clogging Improper contacted
 the fuel pressure not correct valve and valve seat
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 ignitor unit