INSTALLATION
58
Alternative propellers are available for specific boating
requirements. See your outboard dealer.
AVAILABLE PROPELLERS
Refer to Associated Parts - Propeller Selection for the propeller
selection.
Model 40 50
Maximum engine
operating RPM range
5000–5700 RPM 5150–5850 RPM
If changing conditions cause the RPM to drop below the
recommended range, such as warmer, more humid weather,
operation at higher elevations, increased boat load, or a dirty boat
bottom/gearcase, a propeller change or cleaning may be required
to maintain performance and ensure the outboard's durability.
Check full‑throttle RPM, using an accurate tachometer, with the
engine trimmed out to a balanced‑steering condition (steering
effort equal in both directions) without causing the propeller to
break loose.
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