2004 Johnson 90 105 115 150 175 hp PL PX CX GL 2-Stroke Outboard Owners Manual

BREAK-IN (10 HOURS)
1. First 10 minutes of operation  —  Operate  the
engine in gear at fast idle only.
IMPORTANT: Follow this procedure to protect your    2. Next 50 minutes  —  Operate  engine   in   gear
new outboard during its initial hours of operation.
Careful break-in allows internal engine components
to “seat” properly, resulting in maximum engine per-
formance.
Failure to carefully follow the break-in procedures
can result in engine damage.
below 3500 RPM.
DO NOT hold a constant throttle setting. Change
engine speed every 15 minutes.
With easy planing boats, use full throttle to quickly
accelerate  boat  onto  plane.  Immediately  reduce
throttle to one-half as soon as the boat is on plane.
BE SURE boat remains on plane at this throttle set-
ting.
During break-in, you must use extra oil. Use a 50:1
(2% oil) fuel/oil mixture in the fuel tank
in addition
to the operation of the oil injection system. After the
break-in period, check the oil tank to see if the oil
level has dropped, indicating oil usage. If the oil lev-
el has not dropped, have your DEALER check the
oil system before using unmixed gasoline in the fuel
tank.
3. Second Hour  —  Use full throttle to accelerate
boat  onto  plane,  then  reduce  throttle  setting  to
three-quarters. BE SURE boat remains on plane at
this throttle setting.
At intervals, apply full throttle for periods of one to
two minutes, returning to three-quarters throttle for
a cooling period.
Perform the 10-Hour  break-in procedure with the
boat and engine in the water, using an appropriate
propeller.
Change engine speed every 15 minutes.
DO NOT perform break-in using a flushing device.
DO NOT start-up or run the engine out of the water.
DO NOT leave a running engine unattended.
4. Next Eight Hours
—  Avoid
continuous
full
throttle operation for extended periods.
Change the engine speed every 15 minutes.
IMPORTANT:  Before  the  start-up  of  your  new  DO NOT exceed recommended maximum engine
engine:
RPM. Refer to Engine Specifications.
Read Engine Starting, Engine Stopping, and
Shifting and Speed Control.
Perform prelaunch checks of all equipment.
Launch the boat and start the engine according
to the procedures in Engine Starting.
Verify  water  pump  operation  often.  Look  for  a
steady stream of water from the water pump indi-
cator. If the stream of water stops, shut off the en-
gine  to  prevent  damage.  Find  and  correct  the
cause, or see your DEALER before you continue.
Verify shift function by shifting into gear and ob-
serving that the boat moves and that the move-
ment is in the same direction as the shifter. Refer
to Shifting and Speed Control.
Change the RPM  often. Avoid  holding a  throttle
setting longer than 15 minutes.
Fuel and Oil - 21
Product Specification
CategoriesBRP Brand Manuals, Johnson 2-Stroke Manuals, Johnson Brand Manuals, Johnson Outboard Manuals
Tags, , , , , , , ,
Model Year2004
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2004 Johnson 90 105 115 150 175 hp PL PX CX GL 2-Stroke Outboard Owners Manual SKU UPC Model
Nancy on May 31, 2014.

Excellent resource


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