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1986 Honda CB450SC Nighthawk Headlight Bracket Fit Decisions

Before choosing replacement headlight brackets for your 1986 CB450SC Nighthawk, measure the forks at the intended clamp location. The Tommaselli-style set fits 32–34mm tubes and includes its rubber inserts. Confirm those requirements on the fitted front end, especially where the forks or lamp have changed.

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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...
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1986 Honda CB450SC Nighthawk · Headlamp, Bulbs & Parts Buying guide

Check tube size and retained lamp fit separately

The bracket specification names a 32–34mm tube range and rubber inserts, with the listed Honda applications using 33mm tubes. Verify the actual clamping location and assess the retained lamp arrangement before treating the model application as sufficient for a modified front end.

Parts to consider

Honda CB Tommaselli Type Headlight Bracket Set ~ 32-34mm Clamp set with rubber insertsThe specified tube range is 32–34mm, and the set includes rubber inserts. Its fitment list includes 1986 CB450SC Nighthawk applications using 33mm tubes; confirm the fitted diameter before ordering.View part

Use the actual tube measurement when the fork history is unknown

The listing asks for outside diameter at the clamping location, not an assumed measurement from a model name. Measure the fitted forks there and compare the result with 32–34mm. A previous fork replacement needs this check even when the motorcycle’s original application appears in the bracket list.

Complete the lamp-fit assessment after confirming the clamps

The written bracket details provide neither bucket-clearance dimensions nor headlamp mounting-hole spacing. Compare the retained lamp and intended bracket arrangement independently of the tube measurement. With the rubber inserts already supplied, focus the remaining purchase enquiries on any lamp-fit information that the listing does not establish.

Headlight Clamp & Insert Fit FAQs

Where should I measure the forks if I cannot confirm whether they are original?

Measure their outside diameter at the intended clamping location and compare it with 32–34mm. The listed Honda applications use 33mm tubes, but that does not establish the dimensions of forks fitted during an earlier replacement or modification.

Which included items should I account for before buying extra mounting liners?

The bracket set already supplies the rubber inserts placed between the clamps and compatible tubes. Allow for those contents before purchasing extra liners. Confirm the tube-size requirement as well; supplied inserts do not establish fit for an out-of-range fork.

What should I verify for a different headlamp once the tube size is suitable?

Check the retained lamp’s mounting arrangement and surrounding clearance independently. The bracket listing specifies tube size and rubber inserts, but no bucket or mounting-hole dimensions. Ask for any measurements needed to assess a changed lamp before committing to the brackets.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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