OPERATION
50
Setting Trim Angle While Running Engine at Idle
Speed
The exhaust relief hole on the outboard may become submerged
if the outboard is trimmed full‑in while running at idle speed. This
will cause exhaust restriction, rough idle, excessive smoke, and
fouled spark plugs. If this condition exists, trim the outboard up until
the exhaust relief hole is out of the water. The outboard should be
lowered for accelerating from a standing start or from idle speed.
Engine Break‑in Procedure
IMPORTANT: Failure to follow the engine break‑in procedures can
result in poor performance throughout the life of the engine and
can cause engine damage. Always follow break‑in procedures.
GASOLINE/OIL BREAK-IN MIXTURE
Do not use pre‑mixed gas and oil during break‑in. Oil from the oil
injection system will supply adequate lubrication during engine
break‑in.
BREAK-IN PROCEDURE
1. For the first hour of operation, allow the engine to warm up for
30‑60 seconds.
a. Run the engine at varied throttle settings, the majority of
the time between 3000 and 4500 RPM or three‑quarter
throttle.
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