fits make: Yamaha. year: 1972–1975.

( Part Type: Lock Washer ), ( Country/region Of Manufacture: Unknown ), ( UPC: 835176460000 )
The Yamaha 835-17646-00 sheave lock washer is an essential component for maintaining the smooth operation and longevity of your 1972 GP643 and 1975 SR643 outboard motors. This washer is specifically designed to secure the sheave in the pulley system, which is responsible for transmitting power from the engine to the propeller.
The 835-17646-00 washer is made from high-quality materials, ensuring durability and resistance to corrosion. Its unique design allows it to fit perfectly into the sheave groove, providing a secure and tight fit. This ensures that the sheave remains securely in place, reducing the risk of it coming loose or falling off while the motor is in use.
The washer is easy to install, requiring no special tools or mechanical skills. Simply remove the old washer, if present, and replace it with the new one. The tight fit will ensure that the sheave stays in place, reducing wear and tear on the pulley system and extending the life of your outboard motor.
In summary, the Yamaha 835-17646-00 sheave lock washer is an essential component for the proper functioning of your 1972 GP643 and 1975 SR643 outboard motors. Its high-quality materials, unique design, and easy installation make it an excellent choice for maintaining the performance and longevity of your motor.
Pros of buying a Yamaha 835-17646-00 sheave lock washer for a 1972 GP643 or 1975 SR643:1. OEM Part: This is an original equipment manufacturer (OEM) part, which means it is designed and manufactured by Yamaha, ensuring compatibility and reliability.
2. Quality Assurance: OEM parts often come with warranty and quality assurance, giving you peace of mind and protection against potential defects.
3. Easy Installation: As this is a replacement part, you can expect it to fit easily into your watercraft, saving you time and effort compared to finding and installing an aftermarket alternative.
4. Maintains Performance: Replacing worn-out or damaged parts like the sheave lock washer can help maintain the overall performance of your watercraft, ensuring its longevity and reliability.
Cons of buying a Yamaha 835-17646-00 sheave lock washer:1. Cost: OEM parts can be more expensive than aftermarket alternatives, as they come with the brand's reputation and quality assurance.
2. Availability: Depending on where you live, it may be more challenging to find OEM parts, and they might take longer to deliver compared to aftermarket alternatives.
Conclusion:While OEM parts like the Yamaha 835-17646-00 sheave lock washer may be more costly and less readily available, they offer peace of mind, quality assurance, and compatibility with your watercraft. If you are looking to maintain the performance and longevity of your 1972 GP643 or 1975 SR643, it is worth investing in OEM parts like this sheave lock washer. Ultimately, the decision to purchase an OEM part or an aftermarket alternative depends on your budget, time constraints, and the importance you place on the watercraft's performance and reliability.
Recommendation:If you value the performance and reliability of your 1972 GP643 or 1975 SR643, we recommend purchasing the Yamaha 835-17646-00 sheave lock washer as a replacement for your worn-out or damaged part. The investment in an OEM part will help maintain your watercraft's performance and ensure its longevity. However, if cost is a concern, you may consider researching aftermarket alternatives that offer comparable quality and fit for your watercraft.