Yamaha - Woodruff Key - Engine Timing Component - 90280-03001-00

Overview

This is one of those parts that’s easy to overlook until it causes a real headache. I’ve torn down motors where everything pointed to bigger issues, but it came back to a worn or sheared key. The Yamaha Woodruff Key 90280-03001-00 keeps rotating components locked in place so timing stays right where it should be. It’s small, but it’s critical to keeping everything running smoothly.

Key Features

• Secures Component Alignment – Keeps shafts and mounted parts properly indexed.

• Maintains Engine Timing – Helps prevent slippage that can affect performance.

• Precision Yamaha Fitment – Manufactured to exact tolerances for reliable seating.

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

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

Engine & Boat Compatibility

The Yamaha Woodruff Key 90280-03001-00 is used across a wide range of Yamaha outboard engines and marine equipment.

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

FAQ

Q: What happens if this key fails?
A: Components can slip, causing timing issues or potential engine damage.

Q: How do I know if the key is worn?
A: Look for flattening, distortion, or any signs of shearing.

Q: Should I replace it during service?
A: Yes, especially if there’s visible wear or when servicing related parts.

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

Q: Can corrosion affect performance?
A: Yes, over time corrosion can weaken the fit, so regular inspection helps.