90704-RCA-A00 Honda Key | Genuine Used Part

🔧 Product Description

Genuine Honda V6 Timing Drive Key - Part Number: 90704-RCA-A00

A genuine used Honda 4.5mm x 24mm shaft key used in the timing-belt and crankshaft drive assembly on selected Honda V6 four-stroke outboards.

The key locates the applicable crankshaft timing pulley or related drive component so it maintains the correct angular position on the shaft.

⚙️ Key Features

• Genuine Honda shaft key

• Correct Honda reference 90704-RCA-A00

• Dimensions: 4.5mm x 24mm

• Used in V6 timing-belt assemblies

• Maintains accurate pulley-to-crankshaft alignment

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 90704-RCA-A00 current Honda 4.5mm x 24mm key reference

OEM / Related Numbers:

• 90704-RCA-A00

• 90704RCAA00

• Special timing key: 90741-ZY3-000

• Timing-belt pulley and crankshaft hardware from the applicable Honda V6 engine

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Honda BF175, BF200, BF225 and BF250 timing-belt systems

• Honda V6 crankshaft-pulley assemblies

• Engines using the RCA-series 4.5mm x 24mm key

Typically suits:

• Engine models:

• Honda BF175A and later BF175 variants

• Honda BF200A

• Honda BF200AK-series

• Honda BF200D

• Honda BF225A

• Honda BF225A6

• Honda BF225AK-series

• Honda BF225D

• Honda BF250A

• Honda BF250D

• Honda BF250DK1

• HP Range: 175HP - 250HP

• Engine Type: Honda V6 four-stroke EFI outboard

• Year Range: Approximately 2002 onward

🔌 Function

The key provides positive rotational indexing between the shaft and pulley, preventing the pulley from slipping out of its designed timing position.

Common signs of failure:

• Timing pulley moves on the crankshaft

• Key is sheared or distorted

• Keyway is enlarged or damaged

• Engine timing shifts unexpectedly

• Pulley cannot be installed squarely

• Abnormal knocking near the timing drive

• Timing marks no longer align correctly

📦 Condition

• Genuine used part

• In good serviceable condition unless otherwise stated

• Inspect for distortion before reuse