TIMING/SYNCHRONIZING/ADJUSTING
Page 2C-6 90-826883R2 JUNE 1998
Starting Procedure
15XD/25 SEAPRO/MARATHON MODELS ONLY
NOTE: Outboards equipped with a thermostat will have a “Sporadic” tell tail water dis-
charge.
Pull choke to full “OUT” position and start the engine. Immediately after the engine starts,
push the choke knob to “Full In” position. Check for water at the tell tale and at the idle
relief holes. (Tell tale pressure to be per General Specifications).
20 JET/20/25 MODELS
NOTE: Outboards equipped with a thermostat will have a “Sporadic” tell tail water dis-
charge.
Turn primer enrichener knob fully clockwise and pull to the “Full Out” position two (2)
times, waiting approximately five (5) seconds between pulls, leaving the knob out after
the second pull.
Start the engine. Immediately after the engine starts, push the primer knob to “Full In”
position and check for water at the tell tail and idle relief holes. Allow the engine to warm
up then turn the primer knob to the “Full Counterclockwise” position. (Tell tale pressure
to be per General Specifications).
WARNING
To prevent personal injury or possible death, from loss of balance or stability
while servicing the motor, DO NOT attempt to check or adjust timing while boat
is in motion. Failure to follow one of the recommended servicing procedures may
result in the person falling overboard or causing personal injury from fall in boat.
Timing Checking and Adjustment
IMPORTANT: When checking the set-up timing with the engine running, one of the
following test procedures must be followed.
Check maximum timing per the set-up specification
while running the outboard:
• IN TEST TANK
• IN BACK-IN TEST TANK
• ON DYNAMOMETER
• WHILE STILL SECURED ON BOAT TRAILER “Backed in the Water”
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