Honda motorcycle parts
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Choose your model and year to see parts listed for your bike.
1975 Honda CB550F · Electrical Buying guide
A complete loom, ignition service parts and a charging regulator solve different problems. Use the focused categories to narrow the repair, keeping any previous wiring or ignition changes in mind.
CB550F main wiring loomMain loom for the 1975–77 CB550F; replaces references 32100-390-010 and 32100-390-000.View part
Replacement coil set with capsTwo aftermarket coils, two straight caps, two angled caps, and mounting bolts and nuts for the stock-style ignition layout.View part
Combined rectifier/regulatorReplaces the separate regulator and rectifier; stock-type plugs and instructions included. Custom mounting may be needed.View part
Related parts: Fuse box with cover and five fuses · Junction-panel sub harness
Use the CB550F wiring diagram to identify the affected circuit before choosing a component. A main loom renews the main wiring runs; the linked junction-panel sub harness connects components such as the fuse box and rectifier. Compare existing plugs, especially where previous repairs have changed the loom.
The replacement coil set is intended for the stock-style ignition layout. An electronic ignition conversion may specify a different coil resistance, so follow its instructions. For charging repairs, choose a regulator that suits your battery chemistry and retain the starter safety circuit when planning any revised mounting.
The main loom and junction-panel sub harness are separate products. Compare the wiring section you need against the diagram and the existing motorcycle; choose the linked sub harness when the junction-panel wiring is the part being renewed.
The set contains two ignition coils, two straight spark plug caps, two angled caps, and mounting bolts and nuts. Spark plugs are not included. Check the stock-style ignition layout, terminals and lead routing before choosing it.
The lithium-only regulator is specifically excluded from standard lead-acid use. Identify the battery chemistry first and compare its charging requirements with the regulator instructions. Do not select a charging unit solely because its plugs resemble the originals.
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