# 6H1-43845-01 Yamaha Manual Release Screw | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Power Trim Manual Release Screw - Part Number: 6H1-43845-01

  

A genuine Yamaha manual hydraulic release screw for selected power trim and tilt assemblies.

  

Turning the screw to the specified release position opens an internal bypass passage, allowing the outboard to be raised or lowered manually when electrical trim operation is unavailable.

  

⚙️ Key Features

  

• Genuine Yamaha OEM manual release screw

• Correct Yamaha part number 6H1-43845-01

• Provides emergency manual trim and tilt release

• Precision-machined hydraulic valve screw

• Parsun direct replacement available

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 6H1-43845-01 → Supersedes 6H1-43845-00

• 6H1-43845-00 earlier Yamaha manual-release screw reference

  

OEM / Related Numbers:

  

• 6H1-43845-01

• 6H1-43845-01-00

• 6H1438450100

• 6H1-43845-00

• 6H1-43847-00 related manual-valve seat

• 6H1-43854-00 related manual-release spring

• 93210-series related sealing O-ring

  

Aftermarket / Verified Equivalents:

  

• Parsun: T85-06010606

• Recmar-style direct replacement: 6H1-43845-01

• Included in replacement Yamaha 6H1 trim valve-body assemblies

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha 6H1-series power trim and tilt hydraulic units

• Yamaha and Parsun manual bypass-valve assemblies

  

Typically suits:

  

• Engine models:

• Yamaha 40HP and 50HP power-trim applications

• Yamaha 55HP

• Yamaha 60HP and 60F

• Yamaha 70HP and 70B

• Yamaha 75HP

• Yamaha 80HP

• Yamaha 85HP

• Yamaha 90HP and 90A

• Parsun T85 hydraulic trim units using T85-06010606

  

• HP Range: Commonly 40HP - 90HP

• Engine Type: Yamaha two-stroke and four-stroke outboard power trim

• Year Range: Approximately 1990s - 2010s, dependent on valve-body design

  

🔌 Function

  

The screw opens or closes the hydraulic bypass passage used for emergency manual movement of the outboard.

  

Common signs of failure:

  

• Engine will not remain in the selected trim position

• Hydraulic fluid leaks around the manual-release screw

• Screw is seized, rounded or corroded

• Trim unit bypasses internally despite the screw being closed

• Engine cannot be released for manual lifting

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 49.23 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 49.23 AUD | In stock |

## Images

- 6H1-43845-01 Yamaha Manual Release Screw | Genuine OEM Yamaha Outboard Part
- 6H1-43845-01 Yamaha Manual Release Screw | Genuine OEM Yamaha Outboard Part
- 6H1-43845-01 Yamaha Manual Release Screw | Genuine OEM Yamaha Outboard Part
- 6H1-43845-01 Yamaha Manual Release Screw | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/6h1-43845-01-00-manual-release-screw)
> Updated: 2026-07-11