Yamaha Hose, Vacuum Sensi – 66K-13544-00-00

Precision Engineered for Accurate Vacuum Pressure Regulation

The Yamaha - Hose, vacuum sensi - 66K-13544-00-00 is a genuine OEM component that plays a critical role in your Yamaha outboard engine's vacuum sensing system. This hose ensures accurate pressure readings that support engine performance, fuel efficiency, and throttle response.

Designed for exact fitment and reliable durability, this hose maintains system integrity even in demanding marine environments.

Key Features

OEM Yamaha Quality: Built to Yamaha’s exacting standards for long-lasting performance and reliability.

Vacuum Sensor Functionality: Delivers precise pressure transmission to the engine control systems.

Durable Construction: Resistant to wear, heat, and marine fuel vapors.

Tight Seal: Prevents pressure loss for dependable engine feedback.

Compatibility

Part Number: 66K-13544-00-00

Designed for use in select Yamaha outboard engines. Always verify compatibility using your engine’s service manual or consult with a Yamaha-certified technician.

Ideal Use Cases

Vacuum System Repairs: Restore optimal function after diagnosing pressure sensor faults.

Preventive Maintenance: Replace aging hoses to maintain engine response and efficiency.

Performance Reliability: Keep your outboard’s feedback systems operating with OEM precision.

Why Vacuum Hose Integrity Matters

Vacuum sensor hoses are small but essential components in modern outboard engines. A compromised hose can lead to inaccurate sensor readings, resulting in poor engine tuning, reduced efficiency, or erratic throttle behavior. The Yamaha - Hose, vacuum sensi - 66K-13544-00-00 is built for exact pressure control, ensuring consistent communication between your engine and its electronic systems.

Frequently Asked Questions

What system does this hose connect to on my outboard?

This hose links to the vacuum sensing system that communicates with the engine control unit, helping regulate fuel delivery and timing.

Can I replace this with a generic vacuum hose?

It’s not recommended. This hose is engineered to precise tolerances for Yamaha systems and should be replaced with the exact OEM part to avoid performance issues.

When should I replace the vacuum sensing hose?

Replace if you notice symptoms like uneven idling, poor fuel economy, or diagnostic errors related to vacuum sensors. Also, inspect during routine service for cracks or brittleness.