• Description:
  • Direct replacement to your original unit.
  • Plug-and-play, direct fit, easy installation.
  • No assembly required
  • The Quality exceeds the OEM equipment
  • Improved heat sink and charging capabilities
  • Higher grade of electric components.
  •  
  • Specification:
  • Condition: New
  • Product Type:Voltage Regulator Rectifier
  • Material:High Quality Aluminum
  • Primary Color: Same as the picture
  • Position on the vehicle:Front
  • Approx Size:40mm x 35mm x 27mm(Length x Width x Height)
  • Voltage: 12 Volt
  • Warranty:1 Year
  • SCITOO Voltage Regulator Rectifier For Honda CB350 CB450 CB350G 31700-455-671

    Description:

    Direct replacement to your original unit.

    Plug-and-play, direct fit, easy installation.

    No assembly required

    The Quality exceeds the OEM equipment

    Improved heat sink and charging capabilities

    Higher grade of electric components.

     

    Specification:

    Condition: New

    Product Type:Voltage Regulator Rectifier

    Material:High Quality Aluminum

    Primary Color: Same as the picture

    Position on the vehicle:Front

    Approx Size:40mm x 35mm x 27mm(Length x Width x Height)

    Voltage: 12 Volt

    Warranty:1 Year

    Replacement Part Numbers:2FM-46-20250, 31700-455-671 ,31700-292-008 , 31700-358-305,31700-358-013 , 31700-310-003 ,31700-285-000 , 31700-329-013 , 31700-356-000.

    Package Included:1 x Voltage Regulator Rectifier

     

    Fits Models:

    1968-1973 Honda CB350

    1973 Honda CB350G

    1974 Honda CB360

    1974 Honda CB360G

    1975-1976 Honda CB360T

    1968-1974 Honda CB450

    1975-1976 Honda CB500T

    1976-1977 Honda CJ360T

    1968-1973 Honda CL350

    1974-1976 Honda CL360

    1968-1974 Honda CL450

    1974-1976 Honda MT250

    1969-1971 Honda SL350

    1973-1975 Honda XL175

     

    Notes:

    Before installing your new voltage regulator rectifier.

    Check the AC output of the stator.

    Replace any burned or corroded connectors on stator and regulatorrectifier.

    Check and repair any melted wiring.

    Use hi-temp dielectric grease on all connectors.

     

    What is a voltage regulator rectifier?

    The rectifier converts the AC voltage into a DC voltage as shown in the blew. This is done by inverting the negative portion of the AC voltage to generate a positive voltage. The result is a DC voltage because the current can now flow in only one direction through a hypothetical load (not shown in the figure). However, there are still large variations in voltage and current and it cannot be used as a DC supply to power electronic circuits. Figure 3 indicates a very important property of the rectifier output: since the negative portion is flipped to the positive values, the rectifier output is a periodic signal with a period that is half the period of the input. Hence, if the input is a 50-Hz signal, the output frequency will be 100 Hz. This observation can be helpful in troubleshooting an AC/DC power supply.

    Are motorcycles AC or DC?
    The reason for this is that almost all motorcycles are equipped with a three-phase AC (Alternating Current) generator, while the electrical system on the bike is a DC (Direct Current) system. The rectifier part inside the regulator-rectifier takes care of converting the AC-current to the DC-current the battery needs.

    Will a motorcycle start with a bad Rectifier?
    The rectifier is part of the charging system. If you put a freshly charged battery in your motorcycle, and you have a bad rectifier, it won't stop your motorcycle from starting, but your battery wouldn't stay charged. The regulator/rectifier on your motorcycle performs two functions.

    Can a bad stator damage a rectifier?

    Registered. To answer your question yes it can, there are three diodes(phases) within the rectifier that allow current to go in one direction through the device (ie. Stator > Rectifier > Battery). But will not allow currrent to flow in the opposite direction.

    Can a bad regulator rectifier cause no spark?
    Yes, a faulty rectifier can cause no-spark condition.Bad Voltage regulator can affect the ignition and cause a no spark condition.

    How hot does a rectifier get?
    It's normal for an OEM shunt-type regulator/rectifier (RR) to get quite hot — especially when the load being drawn by the electrical system is low. The RR is simply converting excess stator output wattage (that isn't needed to run the bike and charge the battery) to heat. That's why there are cooling fins on the RR

    What happens if you put DC into a rectifier?
    If we look at the basics, a bridge rectifier converts pure ac to pulsating dc with the use of 4 diodes or SCR's . That means a pair of diodes will act as a short circuit path to the negative half of the cycle and will allow us to obtain or draw the negative half as output.

    Is a diode a rectifier?
    A diode is an electronic component that allows the current to flow in only one direction. It is a two-terminal semiconductor device. The rectifier is a device that is used to convert an AC voltage to a DC voltage. A diode is used as a switch and a rectifier is used for the conversion of an AC voltage to a DC voltage.

    How a diode works as a rectifier?
    Diode rectifier gives an alternating voltage which pulsates in accordance with time. The filter smoothes the pulsation in the voltage and to produce d.c voltage, a regulator is used which removes the ripples. There are two primary methods of diode rectification: Half Wave Rectifier.

    Is converter and rectifier are same?
    Rectifier convert AC quantity into the DC quantity while inverter is use for convert DC quantity into AC quantity. As rectifier and inverter both converting one quantity to another both can be called as Converter.

    Does a rectifier change voltage?
    Although a rectifier converts alternating current to direct current, the resulting direct current isn't a steady voltage.

    Where do we use Rectifier?
    Applications and Uses of Rectifiers.A rectifier is used for powering appliances.These are used with transformers.Uses of rectifier while soldering.It is also used in AM radio.
    Uses of Rectifier in circuits.It is used for modulation.It is used in voltage multiplier.

    How do I test a regulator rectifier?

    e.g.The motorcycle  rectifier tester circuit here can be used to test a 6-wire shunt type regulator-rectifiers for a 3-phase charging system of motorcycles. 

    As the name suggests, the unit consists of 2 circuits i.e. the Regulator and the Rectifier. Usually, the wires are coded as below:

    Regulator Rectifier Tester

    The rectifier section of RR-unit consists of only 6 rectifier diodes as shown. The wires are connected as shown. The Black/Yellow wire is not used.

    IC2 is a 555 which is configured as an astable vibrator. Since the supply voltage is 18V and max voltage for 555 is 15V, a zener diode D2 is introduced to protect the IC.

    The output is connected to 1 yellow wire at a time. Both the LEDs should blink, indicating that the corresponding rectifiers are good. If only one LED or no LED blinks, it indicates one or both rectifiers are bad.Now, the connections of red and green wires are interchanged. If one or both LEDs blink, it indicates that the rectifiers are short (bad).


    SCITOO Voltage Regulator Rectifier For Honda CB350 CB450 CB350G 31700-455-671

    Description:

    Direct replacement to your original unit.

    Plug-and-play, direct fit, easy installation.

    No assembly required

    The Quality exceeds the OEM equipment

    Improved heat sink and charging capabilities

    Higher grade of electric components.

     

    Specification:

    Condition: New

    Product Type:Voltage Regulator Rectifier

    Material:High Quality Aluminum

    Primary Color: Same as the picture

    Position on the vehicle:Front

    Approx Size:40mm x 35mm x 27mm(Length x Width x Height)

    Voltage: 12 Volt

    Warranty:1 Year

    Replacement Part Numbers:2FM-46-20250, 31700-455-671 ,31700-292-008 , 31700-358-305,31700-358-013 , 31700-310-003 ,31700-285-000 , 31700-329-013 , 31700-356-000.

    Package Included:1 x Voltage Regulator Rectifier

     

    Fits Models:

    1968-1973 Honda CB350

    1973 Honda CB350G

    1974 Honda CB360

    1974 Honda CB360G

    1975-1976 Honda CB360T

    1968-1974 Honda CB450

    1975-1976 Honda CB500T

    1976-1977 Honda CJ360T

    1968-1973 Honda CL350

    1974-1976 Honda CL360

    1968-1974 Honda CL450

    1974-1976 Honda MT250

    1969-1971 Honda SL350

    1973-1975 Honda XL175

     

    Notes:

    Before installing your new voltage regulator rectifier.

    Check the AC output of the stator.

    Replace any burned or corroded connectors on stator and regulatorrectifier.

    Check and repair any melted wiring.

    Use hi-temp dielectric grease on all connectors.

     

    What is a voltage regulator rectifier?

    The rectifier converts the AC voltage into a DC voltage as shown in the blew. This is done by inverting the negative portion of the AC voltage to generate a positive voltage. The result is a DC voltage because the current can now flow in only one direction through a hypothetical load (not shown in the figure). However, there are still large variations in voltage and current and it cannot be used as a DC supply to power electronic circuits. Figure 3 indicates a very important property of the rectifier output: since the negative portion is flipped to the positive values, the rectifier output is a periodic signal with a period that is half the period of the input. Hence, if the input is a 50-Hz signal, the output frequency will be 100 Hz. This observation can be helpful in troubleshooting an AC/DC power supply.

    Are motorcycles AC or DC?
    The reason for this is that almost all motorcycles are equipped with a three-phase AC (Alternating Current) generator, while the electrical system on the bike is a DC (Direct Current) system. The rectifier part inside the regulator-rectifier takes care of converting the AC-current to the DC-current the battery needs.

    Will a motorcycle start with a bad Rectifier?
    The rectifier is part of the charging system. If you put a freshly charged battery in your motorcycle, and you have a bad rectifier, it won't stop your motorcycle from starting, but your battery wouldn't stay charged. The regulator/rectifier on your motorcycle performs two functions.

    Can a bad stator damage a rectifier?

    Registered. To answer your question yes it can, there are three diodes(phases) within the rectifier that allow current to go in one direction through the device (ie. Stator > Rectifier > Battery). But will not allow currrent to flow in the opposite direction.

    Can a bad regulator rectifier cause no spark?
    Yes, a faulty rectifier can cause no-spark condition.Bad Voltage regulator can affect the ignition and cause a no spark condition.

    How hot does a rectifier get?
    It's normal for an OEM shunt-type regulator/rectifier (RR) to get quite hot — especially when the load being drawn by the electrical system is low. The RR is simply converting excess stator output wattage (that isn't needed to run the bike and charge the battery) to heat. That's why there are cooling fins on the RR

    What happens if you put DC into a rectifier?
    If we look at the basics, a bridge rectifier converts pure ac to pulsating dc with the use of 4 diodes or SCR's . That means a pair of diodes will act as a short circuit path to the negative half of the cycle and will allow us to obtain or draw the negative half as output.

    Is a diode a rectifier?
    A diode is an electronic component that allows the current to flow in only one direction. It is a two-terminal semiconductor device. The rectifier is a device that is used to convert an AC voltage to a DC voltage. A diode is used as a switch and a rectifier is used for the conversion of an AC voltage to a DC voltage.

    How a diode works as a rectifier?
    Diode rectifier gives an alternating voltage which pulsates in accordance with time. The filter smoothes the pulsation in the voltage and to produce d.c voltage, a regulator is used which removes the ripples. There are two primary methods of diode rectification: Half Wave Rectifier.

    Is converter and rectifier are same?
    Rectifier convert AC quantity into the DC quantity while inverter is use for convert DC quantity into AC quantity. As rectifier and inverter both converting one quantity to another both can be called as Converter.

    Does a rectifier change voltage?
    Although a rectifier converts alternating current to direct current, the resulting direct current isn't a steady voltage.

    Where do we use Rectifier?
    Applications and Uses of Rectifiers.A rectifier is used for powering appliances.These are used with transformers.Uses of rectifier while soldering.It is also used in AM radio.
    Uses of Rectifier in circuits.It is used for modulation.It is used in voltage multiplier.

    How do I test a regulator rectifier?

    e.g.The motorcycle  rectifier tester circuit here can be used to test a 6-wire shunt type regulator-rectifiers for a 3-phase charging system of motorcycles. 

    As the name suggests, the unit consists of 2 circuits i.e. the Regulator and the Rectifier. Usually, the wires are coded as below:

    Regulator Rectifier Tester

    The rectifier section of RR-unit consists of only 6 rectifier diodes as shown. The wires are connected as shown. The Black/Yellow wire is not used.

    IC2 is a 555 which is configured as an astable vibrator. Since the supply voltage is 18V and max voltage for 555 is 15V, a zener diode D2 is introduced to protect the IC.

    The output is connected to 1 yellow wire at a time. Both the LEDs should blink, indicating that the corresponding rectifiers are good. If only one LED or no LED blinks, it indicates one or both rectifiers are bad.Now, the connections of red and green wires are interchanged. If one or both LEDs blink, it indicates that the rectifiers are short (bad).




    Shipping

    1. Order Processing
    Orders are processed within 2 business days of payment confirmation. Please ensure your shipping and payment information is correct before completing checkout. Once payment is confirmed, we are unable to make any changes to your order.

    2. Domestic Shipping (US)
    All domestic orders are shipped from our US warehouse via USPS, UPS, or FedEx. Delivery typically takes 2–7 business days depending on your location and the shipping method selected.

    3. Local Pickup
    Local pickup is not available at this time.

    4. International Buyers – Please Note
    a. Import duties, taxes, and customs charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.
    b. Please check with your country's customs office to determine any additional costs before bidding or purchasing.

    Payment

    We accept multiple payment methods.

    Payment is due within 7 days of the auction closing. If you are purchasing multiple items, please wait for a combined invoice before paying.

    If payment is not received within 7 days, an Unpaid Item Case will be opened with eBay, which may result in a strike against your account.

    Returns

    We offer a 60-day return or exchange guarantee on all brand-new items. Items must be returned in original, unused condition. Buyer pays return shipping unless the item is defective or damaged. Refunds are processed within 2 business days of receipt.

    Customer Services

    Q: When will my item ship?

    A: Orders are processed and shipped within 2 business days of payment confirmation.

    Q: Where can I find my tracking number?

    A: You can find your tracking number in two ways:

    • Log in to your eBay account, go to "My eBay" → "Purchase History", and select the order. Check your email for the shipping confirmation notification sent by eBay.

    Q: How do I return an item?

    A: We accept returns within 60 days of delivery. To initiate a return, please contact our customer service first. Items must be returned in original, unused condition with all packaging and accessories. A full refund will be issued to your original payment method after we receive and inspect the returned item.

    Feedback

    We leave positive feedback upon receipt of payment. If you have any issues, please contact us before leaving feedback — we will resolve any problems to your satisfaction. If you are happy with your purchase, please take a moment to leave us positive feedback. Thank you!

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    Picture
    SCITOO Voltage Regulator Rectifier For Honda CB350 CB450 CB350G 31700-455-671

    Description:

    Direct replacement to your original unit.

    Plug-and-play, direct fit, easy installation.

    No assembly required

    The Quality exceeds the OEM equipment

    Improved heat sink and charging capabilities

    Higher grade of electric components.

     

    Specification:

    Condition: New

    Product Type:Voltage Regulator Rectifier

    Material:High Quality Aluminum

    Primary Color: Same as the picture

    Position on the vehicle:Front

    Approx Size:40mm x 35mm x 27mm(Length x Width x Height)

    Voltage: 12 Volt

    Warranty:1 Year

    Replacement Part Numbers:2FM-46-20250, 31700-455-671 ,31700-292-008 , 31700-358-305,31700-358-013 , 31700-310-003 ,31700-285-000 , 31700-329-013 , 31700-356-000.

    Package Included:1 x Voltage Regulator Rectifier

     

    Fits Models:

    1968-1973 Honda CB350

    1973 Honda CB350G

    1974 Honda CB360

    1974 Honda CB360G

    1975-1976 Honda CB360T

    1968-1974 Honda CB450

    1975-1976 Honda CB500T

    1976-1977 Honda CJ360T

    1968-1973 Honda CL350

    1974-1976 Honda CL360

    1968-1974 Honda CL450

    1974-1976 Honda MT250

    1969-1971 Honda SL350

    1973-1975 Honda XL175

     

    Notes:

    Before installing your new voltage regulator rectifier.

    Check the AC output of the stator.

    Replace any burned or corroded connectors on stator and regulatorrectifier.

    Check and repair any melted wiring.

    Use hi-temp dielectric grease on all connectors.

     

    What is a voltage regulator rectifier?

    The rectifier converts the AC voltage into a DC voltage as shown in the blew. This is done by inverting the negative portion of the AC voltage to generate a positive voltage. The result is a DC voltage because the current can now flow in only one direction through a hypothetical load (not shown in the figure). However, there are still large variations in voltage and current and it cannot be used as a DC supply to power electronic circuits. Figure 3 indicates a very important property of the rectifier output: since the negative portion is flipped to the positive values, the rectifier output is a periodic signal with a period that is half the period of the input. Hence, if the input is a 50-Hz signal, the output frequency will be 100 Hz. This observation can be helpful in troubleshooting an AC/DC power supply.

    Are motorcycles AC or DC?
    The reason for this is that almost all motorcycles are equipped with a three-phase AC (Alternating Current) generator, while the electrical system on the bike is a DC (Direct Current) system. The rectifier part inside the regulator-rectifier takes care of converting the AC-current to the DC-current the battery needs.

    Will a motorcycle start with a bad Rectifier?
    The rectifier is part of the charging system. If you put a freshly charged battery in your motorcycle, and you have a bad rectifier, it won't stop your motorcycle from starting, but your battery wouldn't stay charged. The regulator/rectifier on your motorcycle performs two functions.

    Can a bad stator damage a rectifier?

    Registered. To answer your question yes it can, there are three diodes(phases) within the rectifier that allow current to go in one direction through the device (ie. Stator > Rectifier > Battery). But will not allow currrent to flow in the opposite direction.

    Can a bad regulator rectifier cause no spark?
    Yes, a faulty rectifier can cause no-spark condition.Bad Voltage regulator can affect the ignition and cause a no spark condition.

    How hot does a rectifier get?
    It's normal for an OEM shunt-type regulator/rectifier (RR) to get quite hot — especially when the load being drawn by the electrical system is low. The RR is simply converting excess stator output wattage (that isn't needed to run the bike and charge the battery) to heat. That's why there are cooling fins on the RR

    What happens if you put DC into a rectifier?
    If we look at the basics, a bridge rectifier converts pure ac to pulsating dc with the use of 4 diodes or SCR's . That means a pair of diodes will act as a short circuit path to the negative half of the cycle and will allow us to obtain or draw the negative half as output.

    Is a diode a rectifier?
    A diode is an electronic component that allows the current to flow in only one direction. It is a two-terminal semiconductor device. The rectifier is a device that is used to convert an AC voltage to a DC voltage. A diode is used as a switch and a rectifier is used for the conversion of an AC voltage to a DC voltage.

    How a diode works as a rectifier?
    Diode rectifier gives an alternating voltage which pulsates in accordance with time. The filter smoothes the pulsation in the voltage and to produce d.c voltage, a regulator is used which removes the ripples. There are two primary methods of diode rectification: Half Wave Rectifier.

    Is converter and rectifier are same?
    Rectifier convert AC quantity into the DC quantity while inverter is use for convert DC quantity into AC quantity. As rectifier and inverter both converting one quantity to another both can be called as Converter.

    Does a rectifier change voltage?
    Although a rectifier converts alternating current to direct current, the resulting direct current isn't a steady voltage.

    Where do we use Rectifier?
    Applications and Uses of Rectifiers.A rectifier is used for powering appliances.These are used with transformers.Uses of rectifier while soldering.It is also used in AM radio.
    Uses of Rectifier in circuits.It is used for modulation.It is used in voltage multiplier.

    How do I test a regulator rectifier?

    e.g.The motorcycle  rectifier tester circuit here can be used to test a 6-wire shunt type regulator-rectifiers for a 3-phase charging system of motorcycles. 

    As the name suggests, the unit consists of 2 circuits i.e. the Regulator and the Rectifier. Usually, the wires are coded as below:

    Regulator Rectifier Tester

    The rectifier section of RR-unit consists of only 6 rectifier diodes as shown. The wires are connected as shown. The Black/Yellow wire is not used.

    IC2 is a 555 which is configured as an astable vibrator. Since the supply voltage is 18V and max voltage for 555 is 15V, a zener diode D2 is introduced to protect the IC.

    The output is connected to 1 yellow wire at a time. Both the LEDs should blink, indicating that the corresponding rectifiers are good. If only one LED or no LED blinks, it indicates one or both rectifiers are bad.Now, the connections of red and green wires are interchanged. If one or both LEDs blink, it indicates that the rectifiers are short (bad).



    1. Order Processing
    Orders are processed within 2 business days of payment confirmation. Please ensure your shipping and payment information is correct before completing checkout. Once payment is confirmed, we are unable to make any changes to your order.

    2. Domestic Shipping (US)
    All domestic orders are shipped from our US warehouse via USPS, UPS, or FedEx. Delivery typically takes 2–7 business days depending on your location and the shipping method selected.

    3. Local Pickup
    Local pickup is not available at this time.

    4. International Buyers – Please Note
    a. Import duties, taxes, and customs charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.
    b. Please check with your country's customs office to determine any additional costs before bidding or purchasing.

    We accept multiple payment methods.

    Payment is due within 7 days of the auction closing. If you are purchasing multiple items, please wait for a combined invoice before paying.

    If payment is not received within 7 days, an Unpaid Item Case will be opened with eBay, which may result in a strike against your account.

    We offer a 60-day return or exchange guarantee on all brand-new items. Items must be returned in original, unused condition. Buyer pays return shipping unless the item is defective or damaged. Refunds are processed within 2 business days of receipt.

    Q: When will my item ship?

    A: Orders are processed and shipped within 2 business days of payment confirmation.

    Q: Where can I find my tracking number?

    A: You can find your tracking number in two ways:

    • Log in to your eBay account, go to "My eBay" → "Purchase History", and select the order. Check your email for the shipping confirmation notification sent by eBay.

    Q: How do I return an item?

    A: We accept returns within 60 days of delivery. To initiate a return, please contact our customer service first. Items must be returned in original, unused condition with all packaging and accessories. A full refund will be issued to your original payment method after we receive and inspect the returned item.

    We leave positive feedback upon receipt of payment. If you have any issues, please contact us before leaving feedback — we will resolve any problems to your satisfaction. If you are happy with your purchase, please take a moment to leave us positive feedback. Thank you!