Mercury ALPHA Dokumentacja Pobierz pdf (Strona 41)

If full throttle operation is below the recommended range, the

propeller must be changed to prevent loss of performance and

possible engine damage. On the other hand, operating an engine

above the recommended operating rpm range will cause higher than

normal wear and/or damage.

After initial propeller selection, the following common problems may

require that the propeller be changed to a lower pitch.

• Warmer weather and greater humidity cause a loss of rpm.

• Operating in a higher elevation causes a loss of rpm.

• Operating with a damaged propeller or dirty boat bottom causes

a loss of rpm.

• Operating with increased load (additional passengers, pulling

skiers) causes a loss or rpm.

For better acceleration, such as is needed for water skiing, use the

next lower pitch propeller. Do not operate at full throttle when using

the lower pitch propeller but not pulling skiers.

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Mercury ALPHA Dokumentacja Strona 41