Section 2 - Getting to Know Your Power Package
Page 14 90-864197072 NOVEMBER 2007
Identification
The serial numbers are the manufacture's keys to numerous engineering details which
apply to your MerCruiser power package. When contacting MerCruiser about service,
always specify model and serial numbers.
Engine Serial Number Decal
The serial number decal is located on top of the engine.
Serial numbers and maintenance color codes decal
The engine serial number is also stamped in the engine block.
Lanyard Stop Switch
The purpose of a lanyard stop switch is to turn off the engine when the operator moves
outside the operator's position (as in accidental ejection from the operator's position).
74608
RUN
a
b
c
a - Stop switch
b - Lanyard
c - Clips to the operator
Accidental ejections, such as falling overboard, are more likely to occur in:
• low‑sided sport boats
• bass boats
• high performance boats
Accidental ejections can also occur from:
• poor operating practices
• sitting on the seat or gunwale at planing speeds
• standing at planing speeds
• operating at planing speeds in shallow or obstacle infested waters
• releasing your grip on the steering wheel that is pulling in one direction
• consuming alcohol or drugs
• high speed boating maneuvers
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