SeaDoo SP Wartungshandbuch PDF herunterladen (Seite 41)

03-00-3

Section 03 TROUBLESHOOTING

ENGINE DETONATION OR PINGING

ENGINE LACKS ACCELERATION OR POWER

ENGINE RUNS TOO FAST

ABNORMAL NOISE FROM PROPULSION SYSTEM

OTHER OBSERVATION POSSIBLE CAUSE REMEDY

Ignition • Timing too far advanced

• Spark plug heat range too high

• Check / reset

• Check / change to correct range

Engine temperature • Engine overheats

• Fuel of poor quality

• Check, refer to engine overheats

• Use good quality fuel

OTHER OBSERVATION POSSIBLE CAUSE REMEDY

Engine revs lower than its

maximum operational RPM

(787 engine)

Peak performance is delayed

until higher RPM range is

reached (787 engine)

• Weak spark

• Carburetion, jetting too rich / lean

• Throttle does not open fully

• Low compression

• Exhaust system restriction

• Water in fuel or oil

• Debris in needle valve

• Impeller leading edge damaged

• Twisted crankshaft

• RAVE valve does not open

•

• RAVE valve is stuck opened

•

• Check / replace, refer to section 08-02

• Check / adjust, refer to section 06-03

• Check / readjust, refer to section 06-03

• Check / repair, refer to section 04-02

• Check / clean

• Check / siphon / replace

• Check / clean, refer to section 06-03

• Check / replace, refer to section 09-01

• Check, refer to section 04-03

• Check, refer to section 04-02

•

• Check, refer to section 04-02

•

OTHER OBSERVATION POSSIBLE CAUSE REMEDY

Engine RPM too high • Faulty rev limiter

• Improper impeller pitch (too low)

• Check, refer to section 08-02

• Check / replace, refer to section 09-01

Jet pump cavitation • Damaged leading or trailing edge of

impeller

• Check / replace

NOTE : Leading edge damage contrib-

utes to poor performance from start.

Trailing edge damage contributes to poor top

performance and stator vanes erosion.

Jet pump ventilation • Air leak of pump housing or ride shoe • Check / reseal, refer to section 09-01

OTHER OBSERVATION POSSIBLE CAUSE REMEDY

• Weeds / debris caught in intake grate or

impeller

• Low oil level in pump housing

• Damaged or bent drive shaft

• Broken motor mounts

• Check / clean

• Check / troubleshoot source of leak / refill

supply, refer to section 09-01

• Check / replace, refer to section 09-02

• Check / replace, refer to section 04-01

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