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1973 Honda CB350F0 Electrical Parts

Electrical repairs on the 1973 CB350F0 can involve a worn switch, a damaged connection or the ignition itself. Start with the circuit at fault, then compare the existing plugs and mounting points before choosing replacement coils, controls or charging components.

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Honda motorcycle parts

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Honda CB750 CB550 CB500 CB400 CB350 spark plug cap VD05F

Honda CB Spark Plug Cap ~ VD05F

$10.49 USD
23-3121
VD05F spark plug cap designed for the outer cylinders on Honda CB750 models. Provides a secure connection between the ignition wire and spark plug...
Honda CB750 CB550 CB500 CB450 CB400 rear brake light switch

Honda CB Rear Brake Light Switch

$10.33 USD
12-0008
Replace your rear brake light switch with this Rear Brake Light Stop Switch. Exceptionally broad fitment across the SOHC CB750 lineup and virtually the...
Honda CB750 CB550 CB500 CB360 CB350 ignition switch 35100-374-007

Honda CB Ignition Switch ~ Replaces 35100-374-007

$24.95 USD
12-0061
Fit the square-plug ignition switch on your mid-'70s Honda with this Ignition Switch (square 4-prong plug type), replacing OEM #35100-374-007 / #35100-369-740 / #35100-341-700....
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 CB750 CB550 CB500 CB450 CB400 reflector 33741-340-670

Honda CB Stock Type Reflector ~ Replaces 33741-340-670

$21.46 USD
11-2303
Restore your mid-'70s Honda's stock reflectors with this Stock-Type Screw-On Reflector with a 6mm thread, replacing OEM #33741-340-670. Broad fitment covering the 1972-78 CB750...
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...
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Honda CB750 CB550 CB500 CB400 CB350 rectifier regulator

Honda CB Rectifier/Regulator

$199.95 USD
24-2109
Replace your SOHC CB regulator and rectifier with this Rick's Electric OEM-Style Rectifier/Regulator. Combination unit replaces the OEM regulator and rectifier; stock-type plugs and...
Honda CB750 CB500 bar switch assembly left (clutch) side 35250-300-033

Honda CB Bar Switch Assembly ~ Left (Clutch) Side ~ Replaces 35250-300-033

$79.95 USD
12-0306
Fit left-side handlebar controls on your early SOHC CB with this Bar Switch Assembly for the Clutch Side in black, replacing OEM #35250-300-033. Wiring...
Honda CB750 CB550 front reflector rubber base 33743-341-670

Honda CB Stock Type Front Reflector Rubber Base ~ Replaces 33743-341-670

$8.95 USD
11-2304
Fit the rubber base beneath your stock front reflector with this Stock-Type Front Reflector Rubber Base, replacing OEM #33743-341-670.Key Features• Stock-type front reflector rubber...
Honda CB750 CB550 CB500 hydraulic stop light switch 35350-300-006

Honda CB Hydraulic Stop Light Switch ~ Replaces 35350-300-006

$24.95 USD
29-7021
Replace your hydraulic brake light switch with this Hydraulic Brake Light / Stop Switch, replacing OEM #35350-300-006 / #35350-300-016. 10mm x M1.25 thread.Key Features•...
New
Honda CB750 CB650 CB550 CB450 headlight setting collar 61304-292-000

Honda CB Headlight Setting Collar ~ Replaces 61304-292-000

$4.50 USD
07-4645
Restore headlight mounting with this Headlight Setting Collar, replacing OEM #61304-292-000. Exceptionally broad fitment across the classic Honda lineup, from the SOHC and DOHC...
Honda CB900 CB750 CB650 CB550 tail light cover screws 93500-04055-4J

Honda CB Tail Light Cover Screws ~ Replaces 93500-04055-4J

$4.69 USD
49-0145
Replace your tail light lens screws with this Tail Light Lens Screws Pack of 10, replacing OEM #93500-04055-4J.Key Features• Tail light lens screws• 10...
Honda CB750 CB550 CB500 CB450 starter solenoid relay 35850-375-000

Honda CB Starter Solenoid Relay ~ Replaces 35850-375-000

$38.95 USD
24-2003
Replace your late-'70s CB starter solenoid with this Starter Solenoid Relay, replacing OEM #35850-375-000 / #35850-286-027. Broad fitment across the late SOHC CB750, CB500T/CB550...
Honda CB750 CB500 CB350 horn button

Honda CB750 / CB500 / CB350 Horn Button

$7.00 USD
12-0036
Replace a worn horn button with this Horn Button with Spring. Works as a horn button or a starter button, fitting all SOHC CB750s,...
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Honda CB750 CB550 rectifier regulator lithium ion battery compatible

Honda CB Rectifier/Regulator ~ Lithium Ion Battery Compatible

$199.95 USD
24-2011
Upgrade to a lithium-ion compatible charging regulator with this Rick's Electric Rectifier/Regulator. Designed with a lower voltage set point to work exclusively with lithium-ion...
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...
Honda CB550 CB500 front brake light switch sub harness 35345-319-000

Honda CB Front Brake Light Switch Sub Harness ~ Replaces 35345-319-000

$7.00 USD
73-0104
Replace your front stop switch sub harness with this Front Stop / Brake Switch Sub Harness, replacing OEM #35345-319-000.Key Features• Front stop / brake...
Honda CB750 CB500 CB450 CB400 turn signal lamp gasket 33443-268-671

Honda CB Turn Signal Lamp Gasket ~ Replaces 33443-268-671

$4.61 USD
11-2085
Service your early CB750 or classic twin turn signal with this Turn Signal Lamp Gasket, replacing OEM #33443-268-671. Pairs with our signal lens #11-2110...
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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...
Honda CB550 CB500 CB400F CB350F ignition coil set with plug caps

Ignition Coil Set with Plug Caps ~ Aftermarket Honda CB550 CB500 CB400F CB350F

$159.95 USD
24-2084
This aftermarket ignition coil set is built for the listed vintage Honda CB four-cylinder models. It replaces tired, cracked, weak, or failing original-style ignition...
Universal motorcycle spark plug cap VB05F

Universal Motorcycle Spark Plug Cap ~ VB05F

$9.50 USD
23-3124
Universal Motorcycle Spark Plug Cap ~ VB05F is an aftermarket part for the Honda CB applications listed in this product information. Before ordering, confirm...
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Honda CB450 CB400 CB360 tommaselli type headlight bracket set 32-34mm

Honda CB Tommaselli Type Headlight Bracket Set ~ 32-34mm

$39.95 USD
09-0015
Fit the Tommaselli look to your smaller-bore Honda with these 32-34mm Tommaselli-Type Headlight Brackets, supplied with rubber mount inserts. Sized for 33mm fork tubes...
Dynatek 5 ohm ignition coil set 2 Honda CB

Dynatek Performance 5 Ohm Ignition Coil Set/2

$329.00 USD
07-9979
Step up to genuine Dynatek performance coils with this Dynatek Performance Dual-Output 5 Ohm Ignition Coil Set of 2. Produces spark voltages exceeding 30,000...
Dynatek ignition system brand detail for Honda CB builds

1972-77 Honda CB350F / CB400F Dynatek Dyna S Ignition Ultimate Kit

$699.95 USD
07-9984
Go all-in on Dynatek with this Dyna S Ignition System Ultimate Kit, bundling the Dyna S ignition module with Dynatek brand 5 Ohm dual-output...
Dynatek ignition system brand detail for Honda CB builds

1972-77 Honda CB350F / CB400F Dynatek Dyna S Ignition System

$369.95 USD
07-9985
Start with the Dyna S ignition module only for your CB350F or CB400F Supersport. This is the base ignition unit without added coils or...
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1973 Honda CB350F0 · Electrical Buying guide

Match coils, switches and charging parts to the job

The four-cylinder catalog includes stock-layout coil replacements, individual brake switches and combined charging units. Different electrical jobs need different checks, especially where earlier owners have altered wiring or battery type.

Parts to consider

Ignition Coil Set with Plug Caps ~ Aftermarket Honda CB550 CB500 CB400F CB350F Coils with plug capsTwo coils, two straight caps, two angled caps, and mounting bolts and nuts for the stock-style ignition layout.View part Honda CB Hydraulic Stop Light Switch ~ Replaces 35350-300-006 Front hydraulic stop switchFront brake-light switch with M10 × 1.25 thread for the original-type hydraulic arrangement.View part Honda CB Rectifier/Regulator Combined rectifier/regulatorRick’s Electric unit with stock-type plugs; 80mm mounting-hole centers and possible custom mounting.View part

Start with the existing wiring

Compare connectors, mounting points and lead routing before replacing an electrical assembly. The square four-prong ignition switch and the short front stop-switch harness serve different circuits. A damaged connector or modified loom can change what is required even when the model application matches.

Separate repair from conversion

The coil-and-cap set suits the stock-style ignition layout. Electronic-ignition and charging conversions need their own compatibility checks. In particular, the lithium-only regulator has a specified 14V ±0.2 set point and must match the battery maker’s requirements before it is used.

Electrical questions

What comes with the replacement coil set?

The set contains two ignition coils, two straight plug caps, two angled plug caps, and mounting bolts and nuts. Spark plugs are separate. Compare the original coil mounts and lead routing before installation.

Are the front and rear brake switches interchangeable?

Choose the switch for the brake circuit being repaired. The front replacement is a hydraulic M10 × 1.25 switch; the rear switch is a separate component with its own mounting and actuation arrangement.

Can I use either charging unit with a lithium battery?

Choose a regulator specifically compatible with the battery. The lithium-only option is rated at 14V ±0.2 and excludes standard lead-acid batteries. Confirm that set point with the battery manufacturer rather than choosing by plug shape alone.

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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