BOMBARDIER SEA-DOO GS 5626 1998, Shop Manual

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Section 03 TROUBLESHOOTING
Subsection 01 (TROUBLESHOOTING CHART)
03-01-4
ENGINE RUNS TOO FAST
ABNORMAL NOISE FROM PROPULSION SYSTEM
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Engine RPM too high • Faulty rev limiter • Check, refer to subsection 08-02
• Improper impeller pitch (too low) • Check/replace, refer to subsection 09-02
Jet pump cavitation • 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.
• Sealing of ride plate, jet pump support or
jet pump
• Check/reseal, refer to subsection 09-02 or
12-02
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
• Weeds/debris caught in intake grate or
impeller
• Check/clean
• Low oil level in jet pump • Check/troubleshoot source of leak/refill
supply, refer to subsection 09-02
• Worn anti-knock system • Check/replace pusher in cover, refer to
subsection 09-02
• Damaged or bent drive shaft • Check/replace, refer to subsection 09-03
• Broken motor mounts • Check/replace, refer to subsection 04-03