Yamaha - Woodruff Key - Engine Timing Component - 90280-03017-00

Overview

This is one of those parts that’s easy to miss until something goes wrong. I’ve pulled apart engines where everything looked fine, but the key had shifted or sheared and caused bigger issues. The Yamaha Woodruff Key 90280-03017-00 keeps rotating components locked in position so timing and alignment stay right where they should be. It’s a small piece, but it plays a big role in keeping things running smoothly.

Key Features

• Secures Rotational Alignment – Keeps shafts and mounted components properly indexed.

• Maintains Timing Accuracy – Helps prevent slippage that can throw off engine timing.

• Precision Yamaha Fit – Manufactured to exact specifications for reliable seating.

• High-Strength Metal Construction – Built to handle torque and resist wear under load.

• Ideal for Service Replacement – Perfect for maintenance, rebuilds, or repairs.

Engine & Boat Compatibility

The Yamaha Woodruff Key 90280-03017-00 is used across a variety of Yamaha outboard engines and marine equipment.

It is commonly found in assemblies involving crankshafts, flywheels, and other rotating components where precise alignment is essential. Always confirm compatibility using your engine model and parts diagram before installation.

FAQ

Q: What happens if a woodruff key fails?
A: It can cause components to slip, leading to timing issues or engine damage.

Q: How do I know if this key needs replacing?
A: Look for wear, flattening, or any signs of deformation.

Q: Should I replace the key during major service?
A: Yes, it’s a good precaution, especially if there’s any visible wear.

Q: Is installation difficult?
A: It’s usually straightforward, but proper seating is critical.

Q: Can corrosion affect this part?
A: Yes, especially in marine environments, so regular inspection helps.

• Supersessions
  90280-03045-00, 90280-03004-00, 90280-03M01-00, 146-11545-00-00