Honda motorcycle parts
Choose your model and year to see parts listed for your bike.
Choose your model and year to see parts listed for your bike.
1975 Honda CB550K · Electrical Buying guide
Separate ignition, charging and lighting needs before choosing parts. Compare the fitted connectors and component references, and identify the battery type and any previous wiring changes rather than treating every electrical fault as the same repair.
Left contact point, cylinders 1 and 4Single left-hand point set standing in for Honda 30203-300-005; covers 1974-78 CB550K bikes.View part
Rick’s Electric rectifier-regulatorCombined unit with stock-type plugs; the listing warns it may need a custom mounting.View part
Main wire harness, 1974-75Main loom standing in for Honda 32100-374-000, listed only for 1974-75 CB550K bikes.View part
Related parts: Points condenser · Dynatek Dyna S ignition · Starter motor brush set
The left point listing identifies cylinders 1 and 4; the right identifies cylinders 2 and 3. Each listing supplies one contact point. Compare the side you need with the installed plate, and treat the separately listed condenser as another item.
The main harness is listed for CB550K models from 1974 to 1975 and references Honda 32100-374-000. Compare its connectors with the existing loom, especially where earlier repairs or accessories have changed the wiring. Separate dash and brake-switch harnesses have their own listings.
The main harness listing names the 1974–75 CB550K and references Honda 32100-374-000. Compare its connectors and routing with your motorcycle before ordering, particularly if the original loom has been modified.
The Dyna S module listing includes the 1974–78 CB550K and specifies stock coils or coils rated 3 ohms or higher. Check the installed coils and the supplied instructions before selecting the module-only option.
The lithium-only Rick’s regulator listing specifies a lower voltage set point and excludes standard lead-acid batteries. Confirm the battery manufacturer’s charging requirements; the conventional regulator is a separate listing with its own mounting dimensions.
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