Thick Washer 0.7 09160-20044

Function and Technical Context

This 0.7 mm thickness washer acts as an adjustment and sealing element in the threaded assemblies of the outboard motor, ensuring correct clamping between metal components and preventing fluid leaks or loss of seal integrity at the joint. It operates within the mechanical fastening system of the engine block or accessory assembly, where its specific 0.7 mm thickness is critical for achieving the proper installation tolerance. If the washer becomes deformed, crushed, or corroded, the clamping pressure becomes uneven, which can cause vibrations, leaks, or progressive loosening of the fastening during navigation. Its correct installation is essential for maintaining the structural integrity and seal of the assembly in Suzuki DF series outboard motors.

When to Replace This Part?

Washers of this type should always be inspected whenever the assembly they belong to is disassembled, as they suffer plastic deformation under torque that prevents safe reuse. The most common signs that the washer has lost its function are the appearance of small oil or water leaks around the fastening point, loosening of the associated bolt or screw, and the presence of galvanic corrosion marks in the contact area. It is recommended to replace it preventatively at each seasonal maintenance service or whenever the assembly is accessed, as the cost of the part is minimal compared to the risk of failure due to a leak or fastening loss at sea.

Compatible Johnson/Evinrude Engines

Equivalent Manufacturer References