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1984 Honda CB650SC Nighthawk Electrical Service Parts

Begin a 1984 CB650SC electrical order with the circuit diagnosis. The regulator/rectifier, starter brush plate and ignition coils solve different repair needs. Identify the fitted component and compare its connection and supplied wiring before choosing between an assembly and its individual service pieces.

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Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

Honda CB1100 CB1000 CB900 CB750 starter solenoid relay 35850-MB0-007

Honda CB Starter Solenoid Relay ~ Replaces 35850-MB0-007

$34.95 USD
73-0824
Replace your starter solenoid relay with this Starter Solenoid Relay with fuse, replacing OEM #35850-MB0-007.If you would like the pigtails / plug that attaches...
Honda CB1100 CB1000 starter motor terminal rubber boot 32411-230-000

Honda CB Starter Motor Terminal Rubber Boot ~ Replaces 32411-230-000

$4.61 USD
73-0092
Replace your starter motor terminal cover with this Starter Motor Terminal (Cover) Rubber Boot, replacing OEM #32411-230-000.Key Features• Starter motor terminal rubber boot• Replaces...
Honda CB1100 CB1000 CB900 CB750 CB650 spark plug cap XD05F

Honda CB Spark Plug Cap ~ XD05F

$10.49 USD
23-3119
Replace your spark plug caps with this Spark Plug Cap, XD05F type. Two required per CB750. Key Features• Spark plug cap, XD05F• 2 required...
Honda CB1100 CB1000 CB900 CB750 starter clutch diode 31700-124-003

Honda CB Starter Clutch Diode ~ Replaces 31700-124-003

$12.88 USD
24-2044
Replace your starter clutch diode with this Stator Clutch Diode/Rectifier, replacing OEM #31700-124-003 / #31700-166-008. Exceptionally broad fitment across the SOHC and DOHC CB750...
Honda CB1100 CB1000 CB900 CB750 CB700 ignition coil 30500-422-003

Honda CB Ignition Coil ~ Replaces 30500-422-003

$64.95 USD
17-6803
Replace your DOHC CB's ignition coil with this Replacement Ignition Coil, replacing OEM #30500-422-003 / #30500-422-013. Broad fitment across the 1979-82 CB750 family, CB750SC/CB700SC...
New
Honda CB starter motor seal 24.4 x 3.1 91312-MG7-003

Honda CB Starter Motor Seal 24.4 x 3.1 ~ Replaces 91312-MG7-003

$4.50 USD
03-0780
Seal up your starter motor with this Starter Motor Seal, size 24.4 x 3.1, replacing OEM #91312-MG7-003 / #91309-300-000 / #91309-425-003. Exceptionally wide fitment...
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Honda CB1100 CB1000 CB900 CB750 CB700 starter relay pigtail plug

Honda CB Starter Relay Pigtail / Plug

$7.95 USD
11-2098
Connect your starter relay cleanly with this Starter Relay Pigtail / Plug. Designed to connect to our starter relays #24-2004 and #73-0824.Important: despite the...
New
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Honda CB1100 CB1000 CB700 turn signal flasher relay 38301-MG9-681

Honda CB Turn Signal Flasher Relay ~ Replaces 38301-MG9-681

$21.86 USD
13-0004
Replace your Nighthawk-era turn signal flasher with this Turn Signal Flasher Relay, replacing a range of OEM references (#38301-MG9-681, #38301-KK9-952, #38301-KK9-951, #38301-MF8-773, #38301-MF8-772, #38301-MB0-004,...
Honda CB1000C CB650SC CB550SC front turn signal stay 33490-MK3-003

1983-85 Honda CB1000C / CB650SC / CB550SC Front Turn Signal Stay ~ Replaces 33490-MK3-003

$12.95 USD
11-2091
Replace a damaged front signal stay with this Front Signal Lamp Stay, replacing OEM #33490-MK3-003 / #33490-MB1-003 / #33490-MJ1-971. Fits the front signals on...
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Dynatek 3 ohm ignition coil set 2 Honda CB

Dynatek Performance 3 Ohm Ignition Coil Set/2

$289.00 USD
07-9980
Match your Dyna-style electronic ignition requirement with this Dynatek Performance Dual-Output 3 Ohm Ignition Coil Set of 2. Same Dynatek quality as the 5...
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Honda CB1100 CB1000 rick's electrics brand ignition coil 30500-422-003

Honda CB Rick's Electrics Brand ~ Ignition Coil ~ Replaces 30500-422-003

$119.95 USD
24-6011
Replace your DOHC CB ignition coil with this Rick's Electric Replacement Ignition Coil, replacing OEM #30500-422-003 / #30500-422-013. Comes with wires attached.Two coils used...
New
Honda CB1100 CB1000 CB900 CB750 rear brake light switch 35350-KA2-405

Honda CB Rear Brake Light Switch ~ Replaces 35350-KA2-405

$22.18 USD
33-0024
Ensure your brake light activates properly with this Rear Stop Light Switch, designed as a direct replacement for several original Honda rear brake switches....
Honda CB1000C CB650SC turn signal stay 33690-MB1-003

1983-85 Honda CB1000C / CB650SC Turn Signal Stay ~ Replaces 33690-MB1-003

$12.95 USD
11-2092
Fit the matching rear signal stay with this Indicator Stay (rear type), replacing OEM #33690-MB1-003 / #33690-MB4-003 / #33690-ME5-003. Stem length is 2.25" with...
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Honda CB700SC CB650SC rectifier regulator

1983-86 Honda CB700SC / CB650SC Rectifier/Regulator

$279.00 USD
24-2018
Replace your Nighthawk rectifier/regulator with this 8-Wire Rectifier/Regulator with 2 plugs (one 6-space / 5-wire, one 4-space / 3-wire). High quality, made in Japan.Key...
Honda CB1100 CB1000 CB700 CB650 CB550 oil pressure switch

Honda CB Oil Pressure Switch ~ Genuine Honda OEM

$69.95 USD
99-5094
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Oil Pressure Switch — precision‑engineered and made in Japan. This authentic replacement part...
New
Honda CB1000 CB700 CB650 CB550 clutch lever switch 35330-MB0-003

Honda CB1000 / CB700 / CB650 / CB550 Clutch Lever Switch ~ Replaces 35330-MB0-003

$16.38 USD
29-0085
Replace your clutch lever switch with this Clutch Lever Switch, replacing OEM #35330-MB0-003.Key Features• Clutch lever switch• Replaces OEM #35330-MB0-003Fitment / Compatibility• Honda CB700SC...
Honda CB700SC CB650SC CB550SC starter motor brush plate repair kit

1983-86 Honda CB700SC / CB650SC / CB550SC Starter Motor Brush Plate Repair Kit

$64.95 USD
24-2045
Repair your Mitsuba 4-brush starter motor brush plate with this Starter Motor Brush Plate Repair Kit. Includes plate, brushes, springs, insulators, and plastic parts.Key...
New
Honda CB650SC CB550SC stock style stator 31120-ME5-842

1983-85 Honda CB650SC / CB550SC Stock Style Stator ~ Replaces 31120-ME5-842

$239.00 USD
24-2132
Replace your CB550SC or CB650SC Nighthawk stator with this Stock Style Stator, replacing OEM #31120-ME5-842 / #31120-ME5-005 / #31120-ME5-015 / #31120-ME5-025.Key Features• Stock-style stator•...
Honda CB700SC CB650SC CB550SC starter motor brush set

1983-86 Honda CB700SC / CB650SC / CB550SC Starter Motor Brush Set

$29.95 USD
24-2019
Replace your Nighthawk starter motor brushes with this Replacement Starter Brush Set of 4, 2 with insulated leads and 2 with non-insulated leads, sized...
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1984 Honda CB650SC Nighthawk · Electrical Service Parts Buying guide

Compare the starter-kit inventory and ignition package

The brush-plate kit includes several starter service pieces, while the ignition coil is supplied individually with attached wires. Use those package details alongside the regulator’s connector inventory to plan the order.

Parts to consider

1983-86 Honda CB700SC / CB650SC Rectifier/Regulator Eight-wire regulator/rectifierTwo connectors: a six-space housing with five wires and a four-space housing with three wires.View part 1983-86 Honda CB700SC / CB650SC / CB550SC Starter Motor Brush Plate Repair Kit Four-brush starter plate kitFor a Mitsuba four-brush starter; includes plate, brushes, springs, insulators and plastic parts.View part Honda CB Rick's Electrics Brand ~ Ignition Coil ~ Replaces 30500-422-003 Rick's coil with leadsOne Rick’s replacement coil with high-tension wires attached; references 30500-422-003 / 30500-422-013.View part

Check the starter and coil package contents

Kit 24-2045 contains a plate, four brushes, springs, insulators and associated plastic parts for a compatible Mitsuba four-brush starter. Rick’s coil 24-6011 is sold individually with wires attached and references 30500-422-003 / 30500-422-013.

Distinguish wire count from connector capacity

Regulator 24-2018 has five wires in a six-space housing and three in a four-space housing. Compare occupied positions as well as both plug shapes; an eight-wire description alone does not identify the complete connection arrangement.

Electrical Service Parts questions

Can I select this coil for an aftermarket ignition from the motorcycle listing alone?

The coil record supplies replacement references and package details but no primary-resistance specification. Obtain that specification and compare it with the fitted ignition manufacturer’s requirements before choosing the coil for a modified system.

Do matching regulator plugs prove suitability after a battery conversion?

The regulator record describes its connections but does not state battery-chemistry compatibility or charging-voltage limits. Compare the regulator manufacturer’s specification with the fitted battery’s requirements before choosing it for a converted setup.

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