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1978 Honda CB400A Drive-chain Adjusters

Rear-wheel adjustment hardware should match the swingarm and axle arrangement on your 1978 Honda CB400A. The featured drive-chain adjuster includes its nut and bolt. Compare each fitted adjuster and its condition before deciding how many separate units to order.

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Honda CB750 CB550 CB500 rear shock swingarm bushing 40548-268-000

Honda CB Rear Shock Swingarm Bushing ~ Replaces 40548-268-000

$6.20 USD
28-6918
Rear shock swingarm bushing designed to replace the original Honda component, matching OEM reference 40548-268-000. Fits between the shock and swingarm to provide proper...
New
Honda CB450 CB400 CB360 CB350 drive chain adjuster with nut and bolt 40543-471-000

Honda CB Drive Chain Adjuster with Nut & Bolt ~ Replaces 40543-471-000 / 40543-312-010

$24.95 USD
99-4856
Upgrade or restore your classic Honda motorcycle’s rear drive system with this Drive Chain Adjuster with Nut and Bolt — a quality replacement designed...
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1978 Honda CB400A · Drive-chain Adjusters Buying guide

Match the adjuster at the rear axle

This route’s useful drive-chain choice is an adjuster with its fastening hardware. Treat left and right repair needs separately, and have wheel alignment and chain adjustment checked using CB400A service information.

Parts to consider

Honda CB Drive Chain Adjuster with Nut & Bolt ~ Replaces 40543-471-000 / 40543-312-010 Drive-chain adjuster with hardwareRear drive-chain adjuster supplied with its nut and bolt. Order separate units for the positions being renewed.View part

Order for the positions being renewed

The adjuster is supplied with a nut and bolt. Its description asks buyers to order two where two units are required. Inspect both sides of the rear wheel, then order the number needed rather than treating the photographed assembly as a matched pair.

Check the surrounding assembly first

A replacement adjuster cannot establish correct wheel alignment on its own. Compare the axle seating and fitted hardware with the CB400A manual, especially on a modified rear end. Have damaged mounting points assessed before relying on a new adjuster to complete the repair.

Drive-chain Adjusters questions

Does one order include both rear-wheel adjusters?

The product is one adjuster with its nut and bolt. If your repair requires two adjusters, order two units after checking both fitted positions.

Will this suit a replacement swingarm?

The application covers the 1978 CB400A, but a changed swingarm or axle assembly needs its own comparison. Match the adjuster body and fastening arrangement before ordering.

Is the nut and bolt supplied with the adjuster?

Yes. The product description specifies an adjuster with nut and bolt. Compare those parts with the existing assembly and use the CB400A manual for final adjustment and checks.

Not sure which part you need?

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

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