GENERAL INFORMATION
eng 25
PROPELLER MATERIAL
Most propellers manufactured by Mercury Marine are made from
either aluminum or stainless steel. Aluminum is suitable for
general purpose use and is standard equipment on many new
boats. Stainless steel is over five times more durable than
aluminum and typically provides performance gains in
acceleration and top end speed due to design efficiencies.
Stainless steel propellers also come in a larger variety of sizes
and styles that allow you to dial in the ultimate performance for
your boat.
3 BLADE VS. 4 BLADE
Available in many sizes of both aluminum and stainless, 3 and
4‑blade propellers have unique performance characteristics. In
general, 3‑blade propellers offer good all around performance
and higher top speed than 4‑blade propellers. However, 4‑blade
propellers are usually faster to plane and more efficient at
cruising speeds, but lack the top end speed of a 3‑blade
propeller.
Outboard Remote Control Models
The remote control connected to your outboard must be
equipped with a start in neutral only protection device. This
prevents the engine from starting when the shift is actuated in
any position other than neutral.
!
WARNING
Starting the engine with the drive in gear can cause serious
injury or death. Never operate a boat that does not have a
neutral‑safety‑protection device.
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