When the engine overspeed limiter is activated, it will reduce ignition voltage to
momentarily decrease the engine speed. Excessive overspeed (above 6300
RPM) results in cutout of the cylinders to prevent operation above this limit.
Replaceable Jet Drive Shear Key
The jet drive is equipped with a shear key to protect it in the event of a lodged
impeller. The shear key can be reached by removing the water intake housing
and impeller. Refer to Maintenance ‑ Impeller Removal and Installation.
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