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1981 Honda CB900F Carb Kits & Jets

For 1981 CB900F carburetor work, choose between a basic sealing kit and kits containing jets, needles or mixture parts. The supplied jet sizes differ between packages. Record the fitted carburetor and existing components before ordering, especially after intake or exhaust changes.

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Currently viewing Carb Rebuild & Jetting

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Honda CB1000 CB900 CB750 performance main jet kit

Honda CB1000 / CB900 / CB750 Performance Main Jet Kit

$39.95 USD
48-2111
Tune your CB to match your engine mods with this Performance Main Jet Kit. Includes a total of 16 main jets for Keihin carbs....
Honda CB1100 CB1000 CB900 CB750 float bowl gasket

Honda CB1100/CB1000/CB900/CB750 Float Bowl Gasket

$9.50 USD
20-8031
Replace your DOHC CB float bowl gasket with this Float Bowl Gasket (O-ring). Broad fitment across the 1979-82 CB750 family, CB750SC Nighthawk, CB900/CB1000/CB1100, CB650...
Honda CB1000 CB900 CB750 CB700 ultimate performance main jet kit

Honda CB1000 / CB900 / CB750 / CB700 Ultimate Performance Main Jet Kit

$64.95 USD
48-2112
Cover every tuning scenario with this Ultimate Performance Main Jet Kit. Includes a total of 44 main jets for Keihin carbs. Use this jet...
Honda CB1100 CB1000 CB900 CB750 CB700 carb float needle 16155-413-751

Honda CB Carb Float Needle ~ Replaces 16155-413-751

$8.95 USD
48-5011
Replace your DOHC CB float needle (only) with this Float Needle, replacing OEM #16155-413-751.Key Features• Float needle (only)• Replaces OEM #16155-413-751• Honda part name:...
Honda CB1100 CB900 CB750 CB650 carb rebuild kit

Honda CB1100 / CB900 / CB750 / CB650 Carb Rebuild Kit

$24.95 USD
48-1402
Rebuild your 1980-82 DOHC CB750, CB900, CB1100F, or 1981-82 CB650 carb with this Carb Rebuild Kit. Contains float bowl gasket, float needle, and O-rings.Note:...
Honda CB1000C CB900C CB900F carburetor rebuild kit

1980-83 Honda CB1000C / CB900C / CB900F Carburetor Rebuild Kit

$32.95 USD
48-1982
Rebuild your CB900 or CB1000C carb with this Carb Rebuild Kit. Contains float bowl gasket, O-rings, float needle, main jets (#68 and #105), pilot...
Honda CB1000C CB900C CB900F deluxe carburetor rebuild kit for 1980-1983 applications

83 Honda CB1000C / 80-82 CB900C / 81-82 CB900F Deluxe Carburetor Rebuild Kit

$34.95 USD
48-0831
This deluxe aftermarket carburetor rebuild kit provides a high-content selection of sealing, fuel-control, jetting, and mixture-adjustment components for servicing one original carburetor on the...
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1981 Honda CB900F Supersport · Carb Kits & Jetting Buying guide

Choose repair contents before jet sizes

The original CB900F uses VB-family carburetors. Start with the bank’s identification and the fault being repaired: a bowl leak may need sealing parts, while metering changes require checking the installed jets, intake and exhaust configuration.

Parts to consider

Honda CB1100 / CB900 / CB750 / CB650 Carb Rebuild Kit Basic one-carb kitFloat-bowl gasket, float needle and O-rings for one carburetor.View part 1980-83 Honda CB1000C / CB900C / CB900F Carburetor Rebuild Kit One-carb kit with jetsIncludes #68 and #105 main jets, #35 pilot jet and mixture parts.View part Honda CB1000 / CB900 / CB750 Performance Main Jet Kit Sixteen-main-jet assortmentFour each of #105, #110, #115 and #120 for compatible Keihin carburetors.View part

Related parts: Deluxe one-carb rebuild kit

Compare the complete package lists

The jet-equipped kit adds a needle jet and mixture screw with spring to its gasket, O-rings, float needle and named jets. The deluxe alternative has a different contents list, including #38 pilot and #69/#105 main jets. Those differences matter; do not assume the packages are interchangeable equivalents.

A main-jet assortment does not service every circuit

Honda distinguishes primary main, secondary main and slow-jet circuits. The performance assortment supplies stated main-jet sizes, not a full set of jets, needles and seals for every position. Match the jet’s construction and circuit before considering its stamped size.

Buying questions

Should I fit every jet supplied in a rebuild kit?

Compare the fitted carburetor and its correct specification first. The regular kit lists #68/#105 mains and a #35 pilot; the deluxe kit lists #69/#105 mains and a #38 pilot with different needles. Those package differences do not establish one universal factory setting.

Will larger main jets fix an unstable idle?

Not by assumption. Inspect the VB-family intake connections, float operation and clean passages before changing metering parts. The main-jet assortments do not establish the correct slow-circuit setting or repair a leak.

How do I confirm a jet fits beyond its size number?

Match the carburetor identification, jet circuit, thread or retention style and body dimensions. Equal stamped numbers do not make different jet families interchangeable. Keep primary, secondary and slow-jet positions identified during service.

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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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