Detailed Photos
Installation Instructions
Product Description
The Woodruff Key is a small, semi-circular metal component designed to fit into a keyway slot in the shaft of Yamaha outboard motors. Its primary function is to connect a rotating part (such as a propeller) to a shaft, ensuring synchronized motion between the two components. In Yamaha outboard motors, this particular Woodruff key plays an essential role in the assembly of the flywheel, propeller, or other rotating components, making it critical for engine performance.
Functions:
| 1. Power Transmission: The key locks the propeller or flywheel to the motor shaft, allowing torque transfer from the engine to the propeller or other components. |
| 2. Alignment: It ensures proper alignment between rotating parts and the motor shaft, preventing slipping or misalignment. |
| 3. Safety Mechanism: The key acts as a fail-safe device, designed to shear or break under excessive loads, protecting more expensive components (like the shaft or propeller) from damage. |
Features:
| 1. Semi-Circular Shape: This design allows for better seating and a more secure fit in the keyway slot than a traditional square key. |
| 2. Corrosion Resistant: Being part of a marine application, it's often made from corrosion-resistant materials like stainless steel to withstand the harsh saltwater environment. |
| 3. Shear Function: Designed to shear or fail when the motor is overloaded, preventing further damage to the motor or drive components. |
| 4. Compact and Lightweight: Despite its small size, the key plays a vital role in maintaining the performance and longevity of the outboard motor. |
Maintenance Tips:
| 1. Regular Inspection: Check the condition of the Woodruff key whenever the motor is disassembled, such as during propeller changes or routine maintenance. |
| 2. Corrosion Prevention: Even if the key is made of corrosion-resistant materials, applying a light coat of marine grease can add an extra layer of protection against rust. |
| 3. Proper Installation: Always ensure the key is properly seated in the keyway slot during installation to avoid damage to the motor components. |
| 4. Replacement: If the key shows any signs of wear, it should be replaced immediately to avoid failure during operation. |
Common Signs of Wear or Failures:
| 1. Visible Wear or Rounding: Look for any signs of wear or rounding on the edges of the key. This indicates that the key is not effectively locking the shaft and propeller/flywheel together. |
| 2. Rust or Corrosion: While designed to resist corrosion, the key can still rust, especially in saltwater environments. This compromises its integrity. |
| 3. Slippage of the Propeller or Flywheel: If you notice slippage or difficulty in maintaining proper alignment between the shaft and rotating part, the Woodruff key may be damaged or worn. |
| 4. Shearing: If the key has sheared off due to an overload (such as hitting an underwater obstruction), it needs immediate replacement to restore full function to the motor. |
More Products We Have:
| BEARING |
HOUSING,WATER PUMP |
| BOLT / SCREW |
IMPELLER |
| BUSHING / COLLAR |
VALVE / JET,MAIN |
| BRACKET |
KEY,WOODRUFF |
| CABLE, REMOTE/STEERING / |
MOUNT DAMPER |
| THROTTLE/STEERING SYSTEM |
NUT |
| CAP LOWER CASING |
OIL SEAL |
| CARBURETOR ASSY / REPAIR KIT |
O-RING |
| CDI / CABLE,BATTERY / RELAY ASSY |
OUTER PLATE |
| COIL / PLUG,SPARK |
PIN,CROSS/DRIVE/ |
| CARTRIDGE INSERT |
STRAIGHT/COTTER |
| CLIP |
PISTON |
| CLUTCH DOG / BALL |
PISTON PIN |
| CONNECTING ROD |
PISTON RING |
| CRANK PIN |
PROPELLER |
| CRANKSHAFT |
PROPELLER SHAFT |
| DIAPHRAGM |
WATER PUMP REPAIR KIT |
| DAMPER, WATER SEAL |
REMOTE CONTROL ASSY |
| DRIVE SHAFT |
SEAL,LABYRINTH |
| FILTER |
SLEEVE LINER |
| FUEL PUMP |
SPACER |
| FUEL PARTS |
SPRING |
| FLOAT |
STARTER |
| GASKET |
SWITCH ASSY |
| GASKET KIT |
THERMOSTAT |
| GEAR / PINION ASSY |
WASHER/SHIM |
| TAB-TRIM |
ANODEIN |
| NEW GEAR |
|
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