SE 304 REPLACES JOHNSON / EVINRUDE EARLY MODEL V4 WITH 2.0:1

$1,095.00
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This SE304 Gear Case replaces most early style Johnson/Evinrude V-4 Lower Units from 1978-1998 with a 4-1/8 bullet diameter. The

SE 305 JOHNSON EVINRUDE REPLACEMENT GEARCASE 2.0:1 GEAR RATIO

$1,095.00
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These units come in Black as pictured. You may paint them to match your motor. Replaces most later model Johnson

SE 306 REPLACES JOHNSON / EVINRUDE V6 W/1.83:1 RATIO

$1,095.00
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SE306 Uses the Ocean Pro style water intakes. Does not fit units older than 1978. The Bullet diameter is 4-3/4

JOHNSON EVINRUDE V4 LARGE CASE 2.25 RATIO

$1,095.00
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JOHNSON EVINRUDE V4 LARGE CASE 2.25 RATIO Johnson / Evinrude OMC 306 C lower unit fits V4 Johnson/Evinrude with the

SE308 JOHNSON EVINRUDE REPLACEMENT COUNTER ROTATION GEARCASE

$1,295.00
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The paint color for all lower units is transitioning to black as inventory becomes depleted. Therefore, color may vary depending

SE 316 1.85 Replaces Johnson Evinrude Magnum Units

$1,295.00
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Johnson Evinrude Magnum Lower Units replacement SE 316 1.85 PREMIUM QUALITY EQUIPMENT: Magnum Evinrude Johnson se 316 is manufactured with

Johnson / Evinrude 318 1.85 COUNTER ROTATION (REPLACES JOHNSON/EVINRUDE MAGNUM UNITS)

$1,495.00
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Johnson / Evinrude 318 ? 1.85 Lower Units Counter Rotation GREAT PERFORMANCE: Johnson / Evinrude lower unit builds with quality

Evinrude Johnson Lower Unit

The lower unit of an Evinrude Johnson outboard motor is an essential part of its propulsion system, responsible for transferring power from the engine to the water. This unit consists of various components, including gears, seals, bearings, and the propeller shaft, all housed within a durable casing submerged in water.

Components:

  1. Gears: The lower unit contains a set of gears that transfer power from the engine's driveshaft to the propeller shaft, effectively converting rotational motion into thrust.

  2. Seals: Seals are crucial for preventing water from entering the lower unit and damaging internal components. They help maintain a watertight seal, ensuring optimal performance and longevity.

  3. Bearings: Bearings support the rotating shafts within the lower unit, reducing friction and allowing for smooth operation. Properly lubricated bearings are essential for minimizing wear and extending the lifespan of the unit.

  4. Propeller Shaft: The propeller shaft extends from the lower unit and connects to the propeller. It transmits the rotational force generated by the engine to the propeller, causing the boat to move forward.

Maintenance:

Regular maintenance of the Evinrude Johnson lower unit is essential to ensure optimal performance and prevent costly repairs. Maintenance tasks may include:

  • Fluid Inspection: Regularly check the lower unit's gear oil for signs of contamination or low levels. Replace the gear oil according to the manufacturer's recommendations.

  • Greasing: Lubricate the bearings and other moving parts to minimize friction and reduce wear. Ensure proper greasing intervals to maintain smooth operation.

  • Seal Inspection: Inspect seals for signs of damage or wear. Replace any damaged seals to prevent water intrusion and potential damage to internal components.

  • Propeller Inspection: Check the propeller for damage or signs of wear. Replace bent or damaged propellers to maintain efficient propulsion and prevent vibrations.

Repair and Replacement:

Despite proper maintenance, the Evinrude Johnson lower unit may require repairs or replacement over time. Common issues include gear wear, seal leaks, and bearing failure. It's essential to address any issues promptly to prevent further damage and ensure safe operation on the water.

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Evinrude Johnson Lower Unit

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