TRBL
SHTG
Troubleshooting
9-3
Symptom 1: Unstable engine idle speed, poor acceleration, poor performance, or limited
engine speed
Fuel not supplied (all
cylinders)
Fuel leakage
Check the fuel hose.
Clogged fuel filter
Replace the fuel filter.
Fuel pump malfunction
Check the fuel pump onto the car-
buretor.
Improper low speed screw
setting
Adjust the low speed screw.
Air-fuel mixture not sup-
plied
Check the reed valve.
Compression pres-
sure is low
Compression leakage
Measure the compression pres-
sure.
Check the cylinder head gasket
and cylinder head warpage.
Check the piston and piston ring for
damage.
Check the cylinder for damage.
Symptom 2
Cause
Checking step
See
page
Throttle valve does
not move properly
Throttle cable installed
incorrectly
Adjust the throttle lever free play.
Throttle valve malfunction
Check the throttle valve synchroni-
zation.
Improper throttle stop
screw setting
Adjust the throttle stop screw.
Spark plug does not
spark (some cylin-
ders)
Spark plug malfunction
Check the spark plug.
Ignition coil malfunction
Check the ignition spark.
Short, open, or loose con-
nection in ignition coil cir-
cuit
Measure the ignition coil resis-
tance.
Check the ignition coil wiring har-
ness leads for continuity.
WD
Fuel not supplied
(some cylinders)
Improper low speed screw
setting
Adjust the low speed screw.
Improper high speed
screw setting
Adjust the high speed screw.
Air-fuel mixture not sup-
plied
Check the reed valve.
Symptom 2
Cause
Checking step
See
page
Summary of Contents for WaveRunner VX 700
Page 1: ...SERVICE MANUAL WaveRunner F2V 28197 ZN 11 VX 700 VX 700 F2V ...
Page 4: ......
Page 16: ...1 11 GEN INFO General information MEMO ...
Page 36: ...2 19 SPEC Specification MEMO ...
Page 104: ...5 35 POWR Power unit MEMO ...
Page 177: ...1 2 3 4 5 6 7 8 9 A Appendix Wiring diagram A 1 ...
Page 179: ......