# MAR-FLUSH-OB-07 Yamaha Flush Fitting Outboard | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Freshwater Flush Hose Fitting - Part Number: MAR-FLUSH-OB-07

  

A genuine Yamaha outboard flush adaptor designed to connect a standard snap-lock garden hose fitting to the engine's freshwater flushing hose.

  

The extended threaded neck allows the adaptor to screw securely into the Yamaha flush-hose connector so salt, sand and debris can be rinsed from the engine cooling passages after use.

  

⚙️ Key Features

  

• Genuine Yamaha marine flushing accessory

• Correct Yamaha part number MAR-FLUSH-OB-07

• Extended threaded neck for a secure seal

• Compatible with common Nylex-style snap-lock garden-hose fittings

• Suitable for routine saltwater flushing without starting the engine

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• MAR-FLUSH-OB-07 current Yamaha accessory reference

  

OEM / Related Numbers:

  

• MAR-FLUSH-OB-07

• MARFLUSHOB07

• Yamaha fresh-water flush-hose connector

• Related Yamaha replacement flush hose and engine-side cap

  

Aftermarket / Verified Equivalents:

  

• Generic Nylex-compatible outboard flush adaptor

• Universal snap-lock garden-hose flush fitting with matching Yamaha thread

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha outboards equipped with a threaded freshwater flushing hose

  

Typically suits:

  

• Engine models:

• Yamaha four-stroke outboards from approximately 9.9HP upward

• Yamaha F25, F30, F40, F50, F60 and F70

• Yamaha F75, F90, F100, F115 and F130

• Yamaha F150 through F450 where a Yamaha flush hose is fitted

• Selected late-model Yamaha two-stroke and HPDI outboards

• Selected Suzuki and Evinrude engines using the same flush-thread format

  

• HP Range: Commonly 9.9HP - 450HP

• Engine Type: Yamaha two-stroke and four-stroke outboard with freshwater flush hose

• Year Range: Model dependent

  

🔌 Function

  

The fitting allows freshwater to be pushed through the engine cooling passages after saltwater or dirty-water operation.

  

Important operating note:

  

• Do not start or run the engine while flushing through this stationary freshwater connector

• Use normal hose pressure only

• Confirm the flush hose and cap are refitted securely before operating the outboard

  

Common signs replacement is required:

  

• Existing adaptor will not thread into the flush hose

• Garden-hose fitting will not lock securely

• Water leaks heavily around the connector

• Adaptor is cracked, stripped or missing

• Flush-hose cap or fitting has been lost

  

📦 Condition

  

• Genuine Yamaha accessory

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 7.48 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 7.48 AUD | In stock |

## Images

- MAR-FLUSH-OB-07 Yamaha Flush Fitting Outboard | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/mar-flush-ob-07-flush-fitting-outboard)
> Updated: 2026-07-11