fits model: B4, 650, Maxim. make: Yamaha. year: 1980-83.

( Type: Rectifier ), ( Manufacturer Part Number: 4H7-501.B4 )
The Yamaha 4H7-501.B4 Maxim 650 Rectifier Regulator is a crucial component in the electrical system of Yamaha outboard motors produced between 1980 and 1983. This regulator plays a vital role in maintaining the correct voltage level in the battery, ensuring the optimal performance of the motor's electrical systems.
The 4H7-501.B4 is a compact, yet robust regulator designed to withstand the rigors of marine environments. It is constructed from high-quality materials, including a durable polymer housing that protects it from water and corrosion. The regulator features a red LED indicator light, which illuminates when the charging system is functioning properly, providing peace of mind and ease of troubleshooting.
This regulator is a 6-volt unit, designed specifically for use with lead-acid batteries. It employs a fixed voltage design, which maintains a consistent output voltage, ensuring that the battery is charged efficiently and effectively. The regulator is also equipped with a voltage adjustment feature, allowing for fine-tuning of the output voltage to suit specific battery requirements or environmental conditions.
The 4H7-501.B4 features a conveniently located adjustment screw, accessible through a waterproof cover, making it simple to adjust the voltage output without having to remove the regulator from the motor or the battery compartment. The regulator is also equipped with a thermal overload protection circuit, which prevents damage to the regulator and the battery in the event of overcharging, ensuring the longevity of both components.
In summary, the Yamaha 4H7-501.B4 Maxim 650 Rectifier Regulator is a vital component in the electrical system of Yamaha outboard motors produced between 1980 and 1983. Its durable construction, ease of adjustment, and thermal overload protection make it a reliable and effective solution for maintaining the correct voltage level in the battery, ensuring optimal performance and longevity of the motor's electrical systems.
a. Suitable for Old Yamaha Motorcycles: This regulator is specifically designed for Yamaha motorcycles manufactured between 1980 and 1983 with the Maxim 650 engine.
b. Replacing a Faulty Regulator: If your motorcycle's charging system is not working properly, this regulator could be a cost-effective solution to get your bike back on the road.
c. Easy Installation: The replacement process is relatively straightforward, requiring minimal tools and time.
2. Cons:a. Availability: Due to its age and specific application, this regulator might be harder to find in local stores. You may need to order it online.
b. Compatibility: Ensure that this regulator is a perfect fit for your motorcycle before making a purchase. Double-check the part number and verify it with your Yamaha service manual or a trusted mechanic.
c. Quality: As with any aftermarket or used part, there is a risk that the quality might not meet your expectations. Inspect the regulator thoroughly upon receipt and test it before installing it on your motorcycle.
3. Conclusion:The Yamaha 4H7-501.B4 1980-83 Maxim 650 Rectifier Regulator is a viable option for owners of specific Yamaha motorcycles from that era who require a replacement for their faulty charging system component. However, potential buyers should be aware of the potential challenges, such as availability, compatibility, and quality, and take the necessary precautions to ensure a successful purchase and installation.
4. Recommendation:If you are in need of a replacement rectifier regulator for your Yamaha motorcycle from the specified period, consider the following steps before making a purchase:
a. Verify the compatibility of the part with your motorcycle by checking the part number and consulting your Yamaha service manual or a trusted mechanic.
b. Research reputable suppliers for this part to increase the chances of receiving a high-quality product.
c. Check the condition of the regulator upon receipt and test it before installing it on your motorcycle.
Or you can pick it up yourself. This part is guaranteed to work. Feel free to ask any questions.