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1979 Honda CB750K Electrical & Ignition Parts

An electrical order for the 1979 CB750K can involve a main loom, a separate coil branch, ignition spark units or charging components. Start with the component you have identified, then compare its listing, connector arrangement and included pieces with your motorcycle.

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Honda motorcycle parts

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Dynatek 3 ohm ignition coil set 2 with plug wires Honda CB

Dynatek Performance 3 Ohm Ignition Coil Set/2 with Plug Wires

$389.00 USD
07-9974
Combine Dynatek's performance coils with matching plug wires in one package using this Dynatek Performance Dual-Output 3 Ohm Ignition Coil Set of 2 with...
Honda CB900 CB750 CB650 CB550 switch base cover

Honda CB900/CB750/CB650/CB550 Switch Base Cover

$4.95 USD
12-0065
Replace just the base cover on your Honda ignition switch with this Switch Base Cover. Designed for our #12-0051 ignition switch (sold separately) with...
New
Honda CB750 CB650 headlight stay headlight reflector bolt 90120-425-000

1979-83 Honda CB750 / CB650 Headlight Stay / Headlight Reflector Bolt ~ Replaces 90120-425-000

$8.95 USD
99-4975
Replacement headlight stay bolt for restoring your CB750's headlight assembly back to proper condition. This is the bolt that fastens through the headlight ears,...
Sale
Honda CB750C CB750K rear brake light switch spring 35357-ME1-670

1979-83 Honda CB750 Rear Brake Light Switch Spring ~ Replaces 35357-ME1-670

$8.19 $7.87 USD
You save $0.32
73-0850
Replace your rear brake stop switch spring with this Rear Brake Light Stop Switch Spring. This is the spring that attaches to the rear...
Honda CB1000 CB900 headlight adjusting screw and spring set 33103-346-670

Honda CB Headlight Adjusting Screw & Spring Set ~ Replaces 33103-346-670

$7.50 USD
29-7011
Replace your headlight adjuster with this Headlight Adjusting Screw & Spring Set. Each set includes one screw and one spring. Replaces OEM #33103-346-670 (screw)...
Honda CB1100 CB1000 CB900 CB750 replacement coil tower boots

Honda CB1100 / CB1000 / CB900 / CB750 Replacement Coil Tower Boots

$4.95 USD
17-6830
Replace the tower boots on your performance coils with this Coil Tower Boots 2-pack. Fits performance coils #17-6810, #07-9973, #07-9979, and #07-9980.Key Features• Coil...
Honda CB1100 CB1000 CB900 CB750 rectifier regulator lithium ion battery compatible 31600-MA6-910

Honda CB1100 / CB1000 / CB900 / CB750 Rectifier/Regulator ~ Lithium Ion Battery Compatible

$199.95 USD
24-6006
Upgrade your DOHC CB to a lithium-ion compatible regulator with this Rick's Electric Rectifier/Regulator. Designed with a lower voltage set point for lithium-ion batteries...
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 CB900 CB750 ignition spark units 30400-MA4-601

Honda CB Ignition Spark Units ~ Replaces 30400-MA4-601

$219.00 USD
14-0504
Replace your DOHC CB's factory ignition spark units with this Aftermarket Ignition Spark Unit, an affordable alternative to the Honda OKI or NEC units....
Honda CB1100 CB1000 CB900 starter clutch roller spring 28125-516-030

Honda CB Starter Clutch Roller Spring ~ Replaces 28125-516-030

$3.50 USD
73-0856
Replace your starter clutch roller spring with this Starter Clutch Roller Spring, replacing OEM #28125-516-030.Sold each, order the quantity you require.Key Features• Starter clutch...
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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...
Honda CB750 CB650 CB550 CB500 CB450 gb cafe headlight bracket set 34mm

Honda CB GB Cafe Headlight Bracket Set ~ 34mm

$44.52 USD
09-0017
Polished aluminum headlight bracket set designed for a clean café-style front end. Built to mount securely to 34mm fork tubes, providing a stable and...
Honda CB750 CB650 fuse box assembly *damaged tabs* 38200-425-005

1979-80 Honda CB750 / CB650 Fuse Box Assembly *Damaged Tabs* ~ 38200-425-005 ~ Replaces 38200-425-005

$23.45 USD
73-1147
⚠️ Clearance Item – Minor Mounting Damage ⚠️ This is a Complete Fuse Box Assembly with 10A fuses installed. While the electrical components are...
Honda CB750K wire harness 32100-425-671

1979 Honda CB750K Wire Harness ~ Replaces 32100-425-671

$129.95 USD
24-4007
Replace your wire harness with this Main Wire Harness Loom, replacing OEM #32100-425-671.These fit only the model year and type listed. Other years and...
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Honda CB750 CB650 CB550 tommaselli type headlight bracket set 35mm

Honda CB Tommaselli Type Headlight Bracket Set ~ 35mm

$39.95 USD
09-0012
Go for a classic European look with these Tommaselli-Type Headlight Brackets, sized for 35mm fork tubes and supplied with rubber mount inserts. A sharp...
New
Honda CB750 CB650 CB550 SL350K2 Honda headlight stay rubber cushion 61315-340-000

Honda CB750 / CB650 / CB550 / SL350K2 Genuine Honda 61315-340-000 Headlight Stay Rubber Cushion

$15.95 USD
99-5368
This genuine Honda headlight stay rubber cushion fits the upper headlight and fork ear mounting area on select classic Honda CB and SL models....
New
Honda CB750 CB650 rear brake light switch 35350-MG7-405

1979-82 Honda CB750 / CB650 Rear Brake Light Switch ~ Replaces 35350-MG7-405

$15.82 USD
27-5523
Restore reliable brake light activation with this Rear Stop Light Switch, designed as a direct replacement for several original Honda rear brake switches. This...
Honda CB1100 CB1000 CB900 CB750 starter motor 31200-438-505

Honda CB1100 / CB1000 / CB900 / CB750 Starter Motor ~ Replaces 31200-438-505

$329.00 USD
73-1079
Replace your starter motor with this Starter Motor Unit, replacing OEM #31200-438-505. This starter bolts on as a direct replacement for the OEM type...
Honda CB750 black horn with bracket joker machine

Honda CB750 Black Horn with Bracket ~ Joker Machine

$59.95 USD
73-1065
Add a billet horn with this Joker Machine Brand Small Custom Black Horn with CNC-machined bracket and 2 gold mounting screws. This horn relocates...
Honda CB750 DOHC CB900 CB1100 dynatek dyna 2000 ultimate kit

1979-83 Honda CB750 DOHC / CB900 Dynatek Dyna 2000 Ultimate Kit

$999.00 USD
07-9989
Go all-in on the DOHC CB750, CB900, or CB1100 with this Dyna 2000 Digital Performance CDI Ignition Ultimate Kit. Includes the Dyna 2000 ignition...
Honda CB750 DOHC CB900 dynatek dyna 2000 ignition system

1979-83 Honda CB750 DOHC / CB900 Dynatek Dyna 2000 Ignition System

$795.00 USD
07-9991
Get just the digital ignition module for your DOHC CB with this Dyna 2000 Digital Performance CDI Ignition. No coils, no wires, just the...
Honda CB1100 CB900 CB750 performance high output 3.3 ohm coil

Honda CB1100 / CB900 / CB750 Performance High Output 3.3 Ohm Coil

$119.95 USD
17-6810
Upgrade your CB750 or big-bore DOHC CB with this Performance Dual Output Ignition Coil, a 3.3 Ohm dual-tower type with hardware. Replaces stock factory...
Honda CB750 CB900 CB1100 performance 5.2 ohm ignition coil

Honda CB Performance 5.2 Ohm Dual-Output Ignition Coil

$129.95 USD
07-9973
Step up your ignition with this Performance High Output 5.2 Ohm Dual-Output Ignition Coil. Primary resistance of 5.2 Ohm, secondary of 17K Ohm, designed...
Honda CB1100 CB900 CB750 coil high tension wire ends (pk 2)

Honda CB1100 / CB900 / CB750 Coil High Tension Wire Ends (Pk/2)

$3.50 USD
17-6831
Replace the high-tension wire ends that fit inside your coil towers with this 2-pack of Coil High-Tension Lead Ends. Same fitment as our tower...
Honda CB900 CB750 CB650 turn signal gasket 33406-431-781

Honda CB900 / CB750 / CB650 Turn Signal Gasket ~ Replaces 33406-431-781

$4.61 USD
11-2083
Service the gasket on your 1979-82 DOHC CB's turn signal with this Turn Signal Gasket, replacing OEM #33406-431-781. Pairs with our signal lens #11-2179...
Honda CB750 DOHC CB900 CB1100 dynatek dyna 2000 premium kit

1979-83 Honda CB750 DOHC / CB900 Dynatek Dyna 2000 Premium Kit

$899.00 USD
07-9990
Upgrade your DOHC CB with the digital Dyna 2000 ignition in a middle-tier kit configuration. This Dyna 2000 Digital Performance CDI Ignition Premium Kit...
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1979 Honda CB750K · Electrical Buying guide

Match electrical replacements to the wiring fitted

Start with the identified fault, then compare the replacement’s reference and connector layout. Main wiring, ignition branches and charging components are separate purchases.

Parts to consider

1979 Honda CB750K Wire Harness ~ Replaces 32100-425-671 1979 main wire harnessMain loom, reference 32100-425-671, specifically listed for the 1979 CB750K.View part Honda CB Ignition Spark Units ~ Replaces 30400-MA4-601 Replacement ignition spark unitAftermarket spark unit replacing reference 30400-MA4-601. Confirm the number of units required for your repair.View part Honda CB1100 / CB1000 / CB900 / CB750 Rectifier/Regulator Rick’s rectifier/regulatorEight wires: a four-prong plug with three wires and a six-prong plug with five wires.View part

Related parts: Separate ignition-coil sub-harness · Alternator brush pair · Starter-relay connector pigtail

Keep the main loom’s year restriction

The main-harness description limits it to the 1979 CB750K and warns that other years and models use different references. A matching smaller branch does not establish that the whole loom interchanges.

Compare the alternator brush package

The replacement set contains two brushes with clip mounts, listed at 18 × 5 × 4.5 mm. These are replacement-part dimensions, useful for comparison with the brush assembly being serviced.

Questions about electrical & ignition parts

Does the main loom include the ignition-coil branch?

No. Sub-harness A, reference 32103-438-660, is expressly excluded from the main-harness package. Order it separately if the retained branch also needs replacement.

Can I choose the lithium regulator for a lead-acid battery?

No. The lithium-ion-only regulator explicitly excludes standard lead-acid batteries and states a 14 V ±0.2 V set point. Confirm the selected battery’s requirements before choosing that unit.

Can the relay pigtail be connected by wire colour alone?

No. Its description warns to confirm wire orientation despite the colours. The pigtail is intended for relays 24-2004 and 73-0824; verify the terminal arrangement before connection.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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