Honda motorcycle parts
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1981 Honda CB750F · Electrical Buying guide
The main harness, fuse box and starter relay are separate assemblies. Match their stated references to the motorcycle, then check the subsidiary wiring and other components needed for the particular repair.
Supersport main wiring harnessMain loom referencing 32100-445-770, expressly listed for the 1980–82 CB750F.View part
Fuse box with stated fusesAssembly 73-0125 references 38200-MF9-405 and lists the 1981–82 CB750F.View part
Starter relay with fuseRelay 73-0824 references 35850-MB0-007 and is supplied with a fuse.View part
The main harness description names the 1980–82 CB750F and reference 32100-445-770, with an explicit warning that other CB750 years and types use different references. Use that identity when comparing the fitted loom. A connector that looks familiar does not establish that another model’s complete harness has the same application.
Fuse-box assembly 73-0125 lists 15-amp fuses in its package. That supplied rating does not establish the correct fuse for every circuit on the motorcycle. Compare the fitted box and the circuit specification before choosing replacement fuses.
The separate ignition-coil sub-harness listing explicitly states that it is not included with the main harnesses. It connects the main loom to the coils. Check that smaller assembly independently when deciding what the electrical repair requires.
Relay 73-0824 supplies a fuse; matching pigtail 11-2098 is sold separately. The pigtail listing warns that matching wire colours do not remove the need to check wire orientation. Compare the fitted connector before deciding whether the relay alone covers the repair.
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