Regulator Rectifier - JMP - 700.12.45

The JMP voltage regulator is an essential component to ensure the correct functioning of your moto...

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Regulator Rectifier For Yamaha XS 500 76-79 DZE Regulator/Rectifier 1pc

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Product Information

Full details

The JMP 700.12.45 Regulator Rectifier is designed for motorcycle enthusiasts and mechanics seeking a reliable replacement to maintain a stable electrical system. It excels at converting AC voltage from the stator into a steady DC current to power components and charge the battery, though users should ensure their specific motorcycle model's harness is in good condition before installation to guarantee compatibility and performance.

All features

Model Part Number	700.12.45
Brand	JMP

Extended Product Information

FAQs

Does this part include mounting screws?

The package includes the regulator rectifier unit. You should reuse your original mounting hardware unless it is damaged.

Can I use this on any motorcycle?

No, this is a model-specific component. You must verify it matches your motorcycle's electrical requirements and plug configuration.

Why does the regulator get hot?

Regulator rectifiers naturally dissipate heat while working. As long as it is within reasonable operating temperatures, this is normal.

Do I need to program or calibrate the unit?

No, this is a passive electrical component that works automatically once connected to the factory harness.

How do I know if my old regulator is broken?

Common symptoms include a dead battery, headlights that brighten/dim with engine RPM, or an electrical burning smell near the unit.

Troubleshooting

Battery is not charging despite new regulator

Use a multimeter to verify the stator output; a faulty stator cannot provide the necessary input for the regulator.

Unit connector does not fit

Verify your motorcycle's exact make, model, and year against the compatibility list for MPN 700.12.45 to ensure you have the correct part.

Flickering lights after installation

Check all grounding points on the bike; a poor ground connection can cause erratic voltage regulation.

Pros and Cons

Pros

Exact fit ensures a quick and easy installation process
Maintains consistent voltage levels to protect sensitive electronics
Reliable alternative to expensive original equipment manufacturer parts
Rugged build quality for long-lasting performance

Cons

Requires proper connection to the existing wiring harness
Not intended for custom electrical systems beyond original specifications
Performance is dependent on the condition of the stator and battery

Setup, Compatibility & Care

To install, first ensure the ignition is switched off and the battery is disconnected. Locate the original regulator rectifier on your motorcycle—usually found near the frame or under the seat for airflow. Unplug the existing connector and mount the new JMP unit using the original hardware. Ensure the mounting surface is clean to assist in heat dissipation. For maintenance, periodically inspect the electrical connector pins for signs of corrosion or melting. If the unit feels excessively hot to the touch during normal operation, verify that your battery is not faulty, as a shorted battery can force the rectifier to work harder than intended.