Mercury 10/15 Sea Pro/Marathon - 6/8/9.9/10/15 HP User Manual page 61

9. Manual Starting Models - Pull the starter rope slowly until starter
engages, then pull rapidly to crank the engine. Allow rope to return
slowly. Repeat until engine starts.
10. Electric Starting Models - Push starter button and crank the engine.
Release button when engine starts. Do not operate starter motor
continuously for longer than ten seconds at a time. If engine fails to
start, wait 30 seconds and try again.
11. Sea Pro/Marathon Models - Push in choke after the engine starts. If
engine begins to stall, rechoke until engine is running smoothly.
12. Push in the primer/idle speed knob after engine starts. If engine begins
to stall, reprime until engine is running smoothly.
NOTE: Starting flooded engine - Push in the primer/idle speed knob and
turn full clockwise. Continue to crank the engine for starting.
OPERATION
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