# 90501-16M11 Yamaha Compression Spring | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Cooling System Pressure Control Valve Spring - Part Number: 90501-16M11

  

A genuine Yamaha compression spring for selected outboard cooling-system pressure-control and poppet-valve assemblies.

  

The spring holds the pressure-control valve closed at low cooling-water pressure and allows it to open as pump pressure rises, regulating bypass flow through the engine.

  

⚙️ Key Features

  

• Genuine Yamaha OEM compression spring

• Correct Yamaha part number 90501-16M11

• Used in cooling-system pressure-control valves

• Maintains calibrated poppet-valve closing force

• Included in aftermarket pressure-control valve kits

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 90501-16M11 current OEM pressure-control spring reference

  

OEM / Related Numbers:

  

• 90501-16M11

• 90501-16M11-00

• 60H-12416-00 related pressure-control valve kit

• Yamaha poppet-valve spring

• Cooling-water bypass spring

  

Aftermarket / Verified Equivalents:

  

• Spring supplied in aftermarket 60H-12416-00 pressure-control valve kits

• Recmar-style Yamaha poppet-valve service kit

• Aftermarket cooling-pressure valve spring for 90501-16M11

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha cooling-water pressure-control valves

• Poppet-valve and bypass assemblies

  

Typically suits:

  

• Engine models:

• Yamaha 90HP outboards

• Yamaha 115HP and 130HP outboards

• Yamaha 150HP and 175HP outboards

• Yamaha 200HP, 225HP and 250HP outboards

• Yamaha 300HP outboards where specified

• Yamaha F75, F80, F90 and F100 four-strokes

• Yamaha F115 four-stroke

• Yamaha F150 and F175 four-strokes

• Yamaha F200 inline-four applications

• Two-stroke, HPDI and four-stroke engines using pressure-control kit 60H-12416-00

  

• HP Range: Approximately 75HP - 300HP

• Engine Type: Yamaha two-stroke, HPDI and four-stroke outboard

• Year Range: Cooling-system design controlled.

  

🔌 Function

  

The spring controls the opening pressure of the cooling-system bypass valve, balancing low-speed cooling with high-speed water flow.

  

Common signs of failure:

  

• Engine overheats at higher speed

• Engine runs too cold because the valve remains open

• Spring is corroded or broken

• Valve does not return to its seat

• Cooling-water pressure becomes unstable

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 5.49 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 5.49 AUD | In stock |

## Images

- 90501-16M11 Yamaha Compression Spring | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/90501-16m11-compression-spring)
> Updated: 2026-07-11