Section 02 TROUBLESHOOTING
Subsection 01 (TROUBLESHOOTING CHART)
ENGINE OVERHEATS
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Temperature sensor defective (
RFI
models
)
Check/replace. Refer to ENGINE
MANAGEMENT
Cooling system restriction Check/flush, refer to MAINTENANCE
Monitoring beeper
sounds continuously
Grounded temperature sensor or sensor
wire (
carburetor models
)
Check/repair/replace
VEHICLE CANNOT REACH ITS TOP SPEED
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Faulty rev limiter
Check/replace MPEM or ECM
Engine RPM to low
Improper impeller pitch
Check/replace, refer to PROPULSION
SYSTEM
Engine RPM too high Improper impeller pitch
Check/replace, refer to PROPULSION
SYSTEM
Damaged leading or trailing edge of
impeller
Check/replace
NOTE:
Leading edge damage contributes
to poor performance from start. Trailing
edge damage contributes to poor top
performance and stator vanes erosion.
Jet pump cavitation
Sealing of ride plate, jet pump support or
jet pump
Check/reseal, refer to section
PROPULSION SYSTEM or HULL/BODY
O.T.A.S. SYSTEM FAULTS
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Engine RPM does not
increase when throttle
lever is released and
steering is turned.
Improper sequence or timing of events
when trying it.
Refer to O.T.A.S. SYSTEM
34 smr2005-046
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