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1981 Honda CB900C Custom Rotor, Clutch & Filter Tools

Prepare the right driver and engagement before buying tools for your 1981 CB900C Custom. The rotor puller uses a thread, the clutch-nut tools use different driver sizes, and the tripod wrench serves the aftermarket spin-on filter arrangement. Identify the fitted assembly first, then choose the tool.

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Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
Currently viewing Engine, Steering & Clutch Tools

Honda motorcycle parts

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Honda CB1100 CB1000 CB900 CB750 CB450 alternator rotor puller

Honda CB Alternator Rotor Puller

$12.95 USD
35-0035
Pull your DOHC CB alternator rotor with this Alternator Rotor Puller, 18mm x M1.5 right-hand thread, for internal-thread rotors and flywheels.Key Features• Alternator rotor...
Honda CB1100 CB1000 CB900 CB750 CB450 clutch center nut removal tool

Honda CB Clutch Center Nut Removal Tool

$15.10 USD
35-0051
Remove your clutch center nut without damage with this Clutch Center Nut Removal Tool, the perfect tool for easier removal and fitting without damaging...
Honda CB1100 CB1000 CB900 CB750 clutch center nut removal tool premium

Honda CB Clutch Center Nut Removal Tool ~ Premium

$26.95 USD
35-0076
Remove clutch center nuts on different bikes with this Premium Clutch Center Nut Removal Tool, the perfect tool for easier removal and fitting without...
Honda CB1100 CB1000 CB900 CB750 oil filter wrench

Honda CB1100/CB1000/CB900/CB750 Oil Filter Wrench

$14.95 USD
35-9022
Remove and install spin-on oil filters with this 3/8" Drive Tripod Oil Filter Wrench. Designed for our aftermarket spin-on cartridge oil filters.Key Features• 3/8"...
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1981 Honda CB900C Custom · Rotor, Clutch & Filter Tools Buying guide

Compare the engagement method and workshop driver

The basic clutch tool is 24mm with a 3/8-inch drive. The premium version offers 20mm and 24mm ends with a 1/2-inch extension connection, while the rotor puller requires its specified internal thread.

Parts to consider

Honda CB Alternator Rotor Puller M18 × 1.5 rotor pullerRight-hand thread puller for the listed internally threaded alternator rotor.View part Honda CB Clutch Center Nut Removal Tool 24mm clutch-nut tool24mm internal diameter with a 3/8-inch driver connection.View part Honda CB Clutch Center Nut Removal Tool ~ Premium Double-ended clutch-nut tool20mm and 24mm ends, used with a 1/2-inch drive extension.View part

Related parts: Tripod spin-on filter wrench

Choose the clutch tool for the actual nut

The basic 24mm tool and double-ended 20/24mm version have different driver requirements. Compare the installed nut and available equipment before purchase. Follow the correct service method and avoid assuming the premium name means a different clutch application or procedure is required.

Match oil-filter tooling to the installed system

The linked tripod wrench is for the listed aftermarket spin-on filters. Honda’s original CB900C uses a paper element in a bolt-secured housing, so identify a conversion before buying this tool. A 3/8-inch drive connection only describes how the wrench is driven; it does not make it suitable for the original housing.

Buying questions

Is the rotor-puller thread the rotor-bolt thread size?

The M18 × 1.5 right-hand specification belongs to the puller’s extraction engagement inside the rotor. Honda shows a separate retaining bolt. Remove and service the assembly using the Honda procedure; do not select bolt hardware from the puller dimension.

Does a clutch-nut tool eliminate the need to hold the clutch?

No. It engages the nut while the clutch must be held as the service procedure requires. The basic tool uses a 3/8-inch drive and 24 mm internal engagement; the double-ended tool has 20 and 24 mm ends for a 1/2-inch extension. Choose compatible driving and holding equipment separately.

When is the tripod filter wrench the relevant choice?

When servicing the specified aftermarket spin-on filter arrangement. Confirm that conversion is installed before buying a tool that is not intended for the original paper-element housing.

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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