Changing the impeller on a Suzuki outboard marine pump involves removing the lower unit to access the water pump housing. Carefully replace the old impeller with a new one, ensuring proper alignment and lubrication. Reassemble the unit and test for proper water circulation to confirm successful installation.

Size: Varies by model (typically 2.5 to 4 inches in diameter)

Grade: Marine-grade impeller for durability

Viscosity: Compatible with 10W-30 or 25W-40 marine engine oil

Buoyancy: Not applicable (submerged operation)

Material: Nitrile rubber (NBR) or neoprene for corrosion resistance

Rotation: Clockwise or counterclockwise (model-specific)

Blade Count: Typically 6 to 12 vanes

Operating Temp: -20°F to 180°F (-29°C to 82°C)

Pressure Rating: 3 to 10 PSI (depending on pump type)

Compatibility: Suzuki outboard water pumps (specific to engine HP)

Replacement Interval: Every 2 years or 300 hours (whichever comes first)