Starting Problems Engine; Fuel System - Yamaha FZS1000(N) 2001 Service Manual

EAS00844
NOTE:
The following guide for troubleshooting does not cover all the possible causes of trouble. It should be
helpful, however, as a guide to basic troubleshooting. Refer to the relative procedure in this manual for
checks, adjustments, and replacement of parts.
STARTING PROBLEMS
ENGINE
Cylinder(s) and cylinder head(s)
S Loose spark plug
S Loose cylinder head or cylinder
S Damaged cylinder head gasket
S Damaged cylinder gasket
S Worn or damaged cylinder
S Incorrect valve clearance
S Improperly sealed valve
S Incorrect valve-to-valve-seat contact
S Incorrect valve timing
S Faulty valve spring
S Seized valve

FUEL SYSTEM

Fuel tank
S Empty fuel tank
S Clogged fuel filter
S Clogged fuel strainer
S Clogged fuel tank drain hose
S Clogged rollover valve
S Clogged rollover valve hose
S Deteriorated or contaminated fuel
Fuel pump
S Faulty fuel pump
S Faulty fuel pump relay
Fuel cock
S Clogged or damaged fuel hose
TROUBLESHOOTING
TROUBLESHOOTING
Piston(s) and piston ring(s)
S Improperly installed piston ring
S Damaged, worn or fatigued piston ring
S Seized piston ring
S Seized or damaged piston
Air filter
S Improperly installed air filter
S Clogged air filter element
Crankcase and crankshaft
S Improperly assembled crankcase
S Seized crankshaft
Carburetor(s)
S Deteriorated or contaminated fuel
S Clogged pilot jet
S Clogged pilot air passage
S Sucked-in air
S Damaged float
S Worn needle valve
S Improperly installed needle valve seat
S Incorrect fuel level
S Improperly installed pilot jet
S Clogged starter jet
S Faulty starter plunger
S Improperly adjusted starter cable
9-1
TRBL
SHTG