SE404 (REPLACES SOME YAMAHA 2-STROKE AND 4-STROKE 75-100 HP

$1,095.00

Yamaha 75-100 HP 4 Stroke Lower Unit 1999-2015

$1,825.00

Yamaha 4 Stroke 115-130 HP

$1,095.00

Yamaha 90 degree 150-200 HP

$1,095.00

Yamaha 90 degree 150-200 HP Counter Rotation

$1,295.00

Yamaha 76 degree 200-250 HP

$1,095.00

Yamaha 76 degree V6 200-250 HP Counter Rotation

$1,295.00

Yamaha 250 HP 4 Stroke

$1,295.00

Yamaha 250 HP 4 Stroke Counter Rotation

$1,495.00

New / Remanufactured Yamaha VF 200/225/250 HP V6 4 Stroke Lower Unit, 2012-2020

$3,590.00$3,800.00

Yamaha VZ 200/225/250/300 HP V6 3.3L HPDI Lower Unit – 2003-2008

$3,400.00$3,600.00

Yamaha Remanufactured Lower Unit V6 4 Stroke F225-300HP 4.2L 2010-2020

$3,400.00$3,600.00

Yamaha Lower Unit

The Yamaha lower unit is a vital component of Yamaha outboard motors, responsible for transferring power from the engine to the propeller and controlling the direction and speed of the boat. Here are some key details about Yamaha lower units:

  1. Construction: Yamaha lower units are typically constructed from durable materials such as aluminum or stainless steel to withstand the harsh marine environment. They are designed to be robust and resistant to corrosion, ensuring longevity and reliability.

  2. Components: The lower unit contains several essential components, including:

    • Gearbox: Houses gears and bearings to transmit power from the engine to the propeller.
    • Driveshaft: Transfers rotational motion from the engine to the gearbox.
    • Propeller Shaft: Connects the gearbox to the propeller, transmitting power to propel the boat forward or in reverse.
    • Seals and Gaskets: Ensure watertight integrity and prevent water from entering the lower unit.
    • Lubrication System: Provides lubrication to gears and bearings to reduce friction and heat generation.
  3. Gear Ratios: Yamaha offers various gear ratios for their lower units to optimize performance for different types of boats and applications. Lower gear ratios provide more torque for heavy loads or towing, while higher gear ratios offer greater top speed with reduced torque.

  4. Trim and Tilt: Some Yamaha lower units feature trim and tilt mechanisms, allowing the operator to adjust the angle of the outboard motor relative to the water surface. This feature helps optimize performance, fuel efficiency, and maneuverability.

  5. Maintenance: Proper maintenance of the lower unit is crucial for optimal performance and longevity. Regular inspection, lubrication, and replacement of worn components such as seals and bearings are essential to prevent damage and ensure smooth operation.

  6. Compatibility: Yamaha lower units are designed to be compatible with Yamaha outboard motors of various horsepower ratings and models. It's essential to ensure compatibility when replacing or upgrading the lower unit on your Yamaha outboard motor.

  7. Warranty: Yamaha offers warranties on their lower units, providing peace of mind to boat owners in case of defects or malfunctions.