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1973 Honda CB500K Points, Coils & Ignition Options

Ignition orders for a 1973 Honda CB500K should start with the system installed. A points-equipped bike uses separately listed left and right points; a coil replacement package supplies different components. Electronic modules are another choice, with supporting coil requirements that must be checked independently.

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Currently viewing Ignition Systems, Ignition Switch, Coils, Plugs, Contact Points

Honda motorcycle parts

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

Honda CB750 CB550 CB500 ignition contact points 30203-300-005

Honda CB750 / CB550 / CB500 Ignition Contact Points ~ Replaces 30204-300-005

$14.50 USD
14-0009
Replace the right-side contact point on your SOHC CB750 or CB500/CB550 with this Contact Point Set (1 piece, right-hand side) for cylinders 2 &...
Honda CB750 CB550 CB500 condenser 30250-300-154

Honda CB750 / CB550 / CB500 Condenser ~ Replaces 30250-300-154

$14.95 USD
26-5104
Replace your SOHC CB750's points condenser with this Condenser, replacing OEM #30250-300-154 / #30250-300-005. Two required per CB750.Key Features• Condenser• Replaces OEM #30250-300-154 /...
Honda CB750 CB550 CB500 ignition contact points 30204-300-005

Honda CB750 / CB550 / CB500 Ignition Contact Points ~ Replaces 30203-300-005

$14.50 USD
14-0010
Match with the left-side contact point using this Contact Point Set (1 piece, left-hand side) for cylinders 1 & 4. Replacing OEM #30203-300-005. Same...
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 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 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 CB750K CB550K CB500K ignition switch nut tool

1969-76 Honda CB750K / CB550K / CB500K Ignition Switch Nut Tool

$19.95 USD
35-9119
Loosen and tighten the ignition switch nut without damage using this Ignition Switch Nut Tool.Key Features• Ignition switch nut tool• Tightens and loosens without...
Dynatek ignition system brand detail for Honda CB builds

Honda CB750 SOHC / CB500 / CB550 Dynatek Dyna S Ignition System

$299.95 USD
07-9988
Start with just the ignition module using this Dyna S Ignition System, for SOHC CB750 or CB500/CB550 riders who already have suitable coils. Skip...
Honda CB750 CB550 CB500 ignition coil bracket set 30511-300-000

Honda CB Ignition Coil Bracket Set ~ Replaces 30511-300-000

$24.95 USD
07-0190
Mount your ignition coils with a clean factory-style finish using this Ignition Coil Bracket Set, replacing OEM #30511-300-000. Features a polished high-grade finish and...
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 CB750 SOHC CB500 CB550 dynatek dyna 2000 ultimate kit

Honda CB750 SOHC / CB500 / CB550 Dynatek Dyna 2000 Ultimate Kit

$1,199.00 USD
07-9992
Take the top-tier Dyna 2000 upgrade path on your SOHC CB750 or CB500/CB550 with this Dyna 2000 Digital Performance CDI Ignition Ultimate Kit. Includes...
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Honda CB500K CB550 CB750 SOHC electronic ignition kit with trigger plate, wiring harness and aluminum rotor

Electronic Ignition Kit ~ Honda CB500K / CB550 / CB750 SOHC

$229.00 USD
08-0319
Replace mechanical points and condensers with this aftermarket electronic ignition for the listed Honda SOHC four-cylinder models. Keep the original mechanical spark advancer and...
Honda CB750 SOHC CB500 CB550 dynatek dyna 2000 ignition system

Honda CB750 SOHC / CB500 / CB550 Dynatek Dyna 2000 Ignition System

$749.00 USD
07-9994
Get just the ignition module for your SOHC CB750 or CB500/CB550 with this Dyna 2000 Digital Performance CDI Ignition. The base unit for riders...
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1973 Honda CB500K · Ignition Buying guide

Order for the installed ignition and the parts being serviced

The points listings distinguish cylinder pairs and supply one piece each. The aftermarket coil package includes two coils and four caps. A Dyna S module is separately listed; the coil package description alone does not establish electronic-conversion compatibility.

Parts to consider

Honda CB750 / CB550 / CB500 Ignition Contact Points ~ Replaces 30203-300-005 Point for cylinders 1 and 4One left-side point is supplied, replacing Honda 30203-300-005. Select this side for the corresponding cylinder pair on the listed points setup.View part Honda CB750 / CB550 / CB500 Ignition Contact Points ~ Replaces 30204-300-005 Point for cylinders 2 and 3One right-side point is supplied, replacing Honda 30204-300-005. It is different from the left-side service component.View part Ignition Coil Set with Plug Caps ~ Aftermarket Honda CB550 CB500 CB400F CB350F Two-coil package with plug capsIncludes two coils, two straight caps, two angled caps and mounting bolts and nuts for the stock-style application. Spark plugs are separate.View part

Related parts: Condenser for the listed points ignition · Electronic module supplied without coils

Use cylinder-pair identification for a points order

The Honda references identify two different contact points, each supplied as a single piece. Check which side is being serviced and whether the other side also needs replacement. A separately listed condenser does not change the points package into a pair; read each item’s supplied contents when completing the order.

Keep coil contents separate from conversion specifications

The replacement coil set’s contents establish what arrives in the package, including four caps, but do not state a conversion resistance specification. The Dyna S requires serviceable stock coils or compatible coils of at least 3 ohms. Verify those requirements against the actual coils before combining independently ordered components.

Ignition FAQs

Why are there two contact-point references?

The left point replaces 30203-300-005 for cylinders 1 and 4, while the right replaces 30204-300-005 for cylinders 2 and 3. Each supplies one piece. Their different positions are an ordering distinction, not a choice of interchangeable points.

What should I compare when choosing the coil-and-cap package?

It is intended for a stock-style ignition layout. Compare coil mounting, wiring terminals, lead routing and the supplied two straight and two angled caps with your fitted equipment. Two coils and mounting bolts and nuts are included.

What coil specification must be confirmed before buying the Dyna S?

Dyna S accepts serviceable original coils or compatible aftermarket coils with at least 3 ohms of primary resistance. The shown replacement coil set does not state its resistance. Confirm that specification before treating the separately listed products as a conversion combination.

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