MULTI-D PROPELLER ALUM.AMITA4 12.50X19 RIGHT

Function and technical context

The Multi-d ALUM.AMITA4 12.50X19 propeller is the propulsion element responsible for transforming the power of the engine into forward movement of the boat. It acts directly on the propulsion system, coupling to the engine output shaft through the drive hub. Its geometry of 12.50 inches in diameter and 19 inches of pitch, with right-hand rotation, has been sized to optimize efficiency in medium and light engines, guaranteeing a balanced distribution of forces during acceleration and cruising. The aluminum material provides resistance to marine corrosion, essential in saltwater environments, although it requires vigilance against possible impacts against submerged objects that compromise structural integrity and cause vibration or loss of traction.

When to replace this part?

A damaged propeller exhibits unmistakable symptoms: abnormal vibration in the structure of the boat, notable reduction in revolutions reached at maximum speed, metallic noise coming from the stern or erratic movement of the bow during navigation. The progressive wear of aluminum due to cavitation, impacts with rocks or submerged debris, or galvanic corrosion are common causes of deterioration; It is recommended to inspect the propeller at least once each boating season, especially if boating in shallow or turbid water. Replacing the propeller preventively when small deformations are detected avoids collateral damage to the output shaft and bearings, repairs that are substantially more expensive than changing the propeller itself.

Engine Compatibility

Equivalent manufacturer part numbers