fits model: D4, Marine. make: Yamaha.

( Part Type: Reverse Gear Gauge ), ( Manufacturer Part Number: YB-34468-6A ), ( Country Of Origin: Japan )
The Yamaha YB-34468-6A D4 Reverse Gear Shim Gauge is a specialized marine tool designed to assist in the precise installation of shims during the reverse gear assembly process for select Yamaha outboard motors. This tool is an essential addition to any boater's toolbox, ensuring a proper fit and smooth operation of the reverse gear system.
The shim gauge is made from high-quality, durable materials, featuring a brass body with machined markings for precise measurement. The gauge comes with a set of ten shims, each with a unique thickness ranging from 0.025 inches to 0.075 inches. These shims are designed to fit specifically into the reverse gear assembly of Yamaha outboard motors and facilitate a perfect alignment between the gear and the housing.
To use the gauge, simply insert the shim in the designated slot and align it with the corresponding marking on the gauge. The thickness of the shim will be clearly displayed, allowing you to select the correct shim for your reverse gear installation. This process ensures that the reverse gear operates efficiently and effectively, reducing the risk of premature wear and failure.
The YB-34468-6A D4 Reverse Gear Shim Gauge comes in a compact, portable design, making it easy to transport and store. The package includes the gauge body, ten shims, and a detailed instruction manual to guide you through the installation process. By using this specialized marine tool, you'll save time and effort, as well as enjoy the peace of mind that comes with a correctly installed reverse gear system.
The Yamaha YB-34468-6A D4 Reverse Gear Shim Gauge is a specialized marine tool designed to help diagnose and adjust the clearance of the reverse gear shims in Yamaha outboard motors. Here are some potential pros and cons of purchasing this tool:
Pros:1. Precision Diagnosis: With the shim gauge, you can accurately measure the clearance of the reverse gear shims, ensuring proper alignment and reducing the likelihood of transmission damage.
2. Saves Time and Money: By performing the shim adjustment yourself, you can avoid the cost and time associated with taking your boat to a repair shop.
3. Easy to Use: The tool is designed to be user-friendly, with clear instructions and an easy-to-read scale.
4. Durable Construction: The gauge is made of high-quality materials, ensuring it can withstand the rigors of marine use.
Cons:1. Expense: The shim gauge is a specialized tool, and its cost may be a deterrent for some boat owners.
2. Limited Use: This gauge is only compatible with Yamaha outboard motors using the D4 gearcase.
3. Requires Knowledge: To effectively use the shim gauge, you need a solid understanding of outboard motor repair and reverse gear adjustment.
In conclusion, the Yamaha YB-34468-6A D4 Reverse Gear Shim Gauge is a valuable tool for boat owners who want to ensure the proper functioning of their outboard motor's reverse gear system. It offers precision diagnosis, saves time and money, and is easy to use, but its expense and limited compatibility may be drawbacks for some.
If you are comfortable with outboard motor repair and have a Yamaha outboard motor with the D4 gearcase, the shim gauge can be a worthwhile investment to maintain your boat's gear system. However, if you lack the necessary knowledge or prefer to leave repairs to professionals, it may be best to forego this purchase.
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