The Impeller for Yamaha Outboard Marine Pumps is a crucial component designed to circulate water for engine cooling. It features durable rubber blades for efficient water flow and reliable performance. Compatible with various Yamaha outboard models, it ensures optimal engine temperature regulation.

Size: Varies by model (commonly 2.5 to 6 inches in diameter)

Grade: Marine-grade rubber or neoprene

Viscosity: Compatible with lubricants of 10W-30 to 25W-40 for optimal performance

Buoyancy: Negligible (designed for submerged operation)

Material: Nitrile rubber (NBR), neoprene, or polyurethane for durability and corrosion resistance

Operating Temperature: -20°C to 80°C (-4°F to 176°F)

Pressure Rating: Typically 10-50 PSI depending on pump design

Chemical Resistance: Resistant to saltwater, oils, and mild chemicals

Shaft Compatibility: Stainless steel or carbon steel with corrosion-resistant coating

Impeller Type: Flexible vane design for efficient water flow

Rotation: Clockwise or counterclockwise (model-specific)

Certifications: Meets ISO 9001 and marine industry standards