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1980 Honda CB900C Custom Carb Holders & Airbox Boots

Choose the correct side of the carburetors when renewing intake rubbers on a 1980 CB900C Custom. The engine-side holders and carburetor-to-airbox boots are separate four-piece sets. Their required band-clamp diameters differ, so inspect both the rubbers and existing clamps.

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Currently viewing Carb Holders, Air Box Rubber Boots, Clamps

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Honda CB1100F CB1000C CB900 carb holder set 16211-438-000

1980-83 Honda CB1100F / CB1000C / CB900 Carb Holder Set ~ Replaces 16211-438-000

$89.95 USD
48-1477
1980 Honda CB900C Motorcycle Parts 1981 Honda CB900C Motorcycle Parts 1981 Honda CB900F Motorcycle Parts 1982 Honda CB900C Motorcycle Parts 1982 Honda CB900F Motorcycle Parts 1983 Honda CB1000C Motorcycle Parts 1983 Honda CB1100F Motorcycle Parts Honda CB Carb Holders, Air-Box Boots & Clamps Honda CB Fuel System & Carburetor Parts Honda CB1000 Motorcycle Parts by Model & Year Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Honda CB900F Supersport Motorcycle Parts (1981–1982) Series 4: CB900-1100 (80-83)
Replace your CB900, CB1000C, or CB1100F carb holders with this Carb Holder Set of 4. Replaces those old cracked or dried-up carb holders. Replaces...
Honda CB1100 CB1000 CB900 carb air box rubber boot set 17251-438-000

1980-83 Honda CB1100 / CB1000 / CB900 Carb Air Box Rubber Boot Set ~ Replaces 17251-438-000

$89.95 USD
73-0139
1980 Honda CB900C Motorcycle Parts 1981 Honda CB900C Motorcycle Parts 1981 Honda CB900F Motorcycle Parts 1982 Honda CB900C Motorcycle Parts 1982 Honda CB900F Motorcycle Parts 1983 Honda CB1000C Motorcycle Parts 1983 Honda CB1100F Motorcycle Parts Honda CB Carb Holders, Air-Box Boots & Clamps Honda CB Fuel System & Carburetor Parts Honda CB1000 Motorcycle Parts by Model & Year Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Honda CB900F Supersport Motorcycle Parts (1981–1982) Series 4: CB900-1100 (80-83)
Replace your CB900, CB1000C, or CB1100F carb-to-air-box boots with this Carburetor to Air Box Rubber Boot Set of 4. Replaces OEM #17251-438-000 (qty 1),...
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1980 Honda CB900C Custom · Carb Holders & Airbox Boots Buying guide

Repair intake leaks at the correct side of the carburetors

The engine-side holders seal the bank to the inlet ports. The larger boots connect it to the original airbox. Hardened rubber, an unevenly seated bank or a damaged clamp can leave an air leak even after another part has been replaced.

Parts to consider

1980-83 Honda CB1100F / CB1000C / CB900 Carb Holder Set ~ Replaces 16211-438-000 Four carb holdersFour engine-side holders; required clamp sizes are 46–49mm and 50–52mm, four of each when replacing all clamps.View part 1980-83 Honda CB1100 / CB1000 / CB900 Carb Air Box Rubber Boot Set ~ Replaces 17251-438-000 Four airbox bootsFour carburetor-to-airbox rubber boots; the specified separate band clamps are 60–65mm.View part

Seat the bank before tightening its clamps

Check that all four carburetors enter their matching holders evenly and that the rubber has not folded under a lip. Honda lists intake air leaks among causes of hard starting and poor running. Correct the connection before changing jets or trying to synchronize around a leak.

Keep the airbox connections and smaller holders distinct

The holder listing specifies four 46–49mm and four 50–52mm clamps when replacing that hardware. The airbox boots specify separate 60–65mm clamps. Inspect the fitted carburetors and airbox before ordering; a changed intake can require different dimensions and clearance.

Buying questions

Can stronger clamp tightening fix a cracked holder?

No. Replace damaged rubber and check its seating and the mating surfaces. Excess tightening can distort a connection without closing the crack. Restore a sound seal before carburetor tuning.

Should the carburetors be synchronized before an intake leak is repaired?

Repair the leak and confirm the bank is seated first. A leak can cause unstable running and make adjustment misleading. Then use Honda’s checks for throttle, choke, idle and synchronization as the service requires.

Will the airbox boot set fit a pod-filter conversion?

It is intended to connect the carburetors to the original airbox. A pod installation uses a different attachment. Inspect what remains on the motorcycle and measure any changed carburetor connections before selecting rubber or clamps.

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