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1971 Honda CB500K Carb Rebuild & Jetting Parts

Choose CB500K carburetor service parts by the installed carburetor and the components being replaced. The rebuild kit serves one carburetor, pilot jets are four-piece packs, and float valves and bowl gaskets are separate service choices. Compare calibrated parts before fitting replacements.

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Currently viewing Carb Rebuild & Jetting

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Honda CB750 CB550 CB500 CB400 CB350 pilot jet set size 45 (pk 4)

Honda CB Pilot Jet Set ~ Size #45 (Pk/4)

$15.95 USD
48-3105
Tune your low-speed circuit with this Pilot Jet Set of 4, size #45. Jet height 28mm, outer diameter 5.5mm.Pilot jets control your idle and...
Honda CB Pilot Jet Set ~ Size #42 (Pk/4)

Honda CB Pilot Jet Set ~ Size #42 (Pk/4)

$15.95 USD
48-3104
Tune your low-speed circuit with this Pilot Jet Set of 4, size #42. Jet height 28mm, outer diameter 5.5mm.Pilot jets control your idle and...
Honda CB750 CB550 CB500 CB400 CB350 pilot jet set size 40 (pk 4)

Honda CB Pilot Jet Set ~ Size #40 (Pk/4)

$15.95 USD
48-3103
Tune your low-speed circuit with this Pilot Jet Set of 4, size #40. Jet height 28mm, outer diameter 5.5mm.Pilot jets control your idle and...
Honda CB750 CB550 CB500 CB400 CB350 pilot jet set size 38 (pk 4)

Honda CB Pilot Jet Set ~ Size #38 (Pk/4)

$15.95 USD
48-3102
Tune your low-speed circuit with this Pilot Jet Set of 4, size #38. Jet height 28mm, outer diameter 5.5mm.Pilot jets control your idle and...
Honda CB750 CB550 CB500 CB400 CB350 pilot jet set size 35 (pk 4)

Honda CB Pilot Jet Set ~ Size #35 (Pk/4)

$15.95 USD
48-3100
Tune your low-speed circuit with this Pilot Jet Set of 4, size #35. Jet height 28mm, outer diameter 5.5mm.Pilot jets control your idle and...
Honda CB550 CB500 CB400 CB350 float bowl gasket

Honda CB550 / CB500 / CB400 / CB350 Float Bowl Gasket

$7.00 USD
20-5022
Replace your float bowl gasket with this Float Bowl Gasket (O-ring), fitting the CB500K/CB550 family, CB350F Supersport, and CB350K.Key Features• Float bowl gasket (O-ring)Fitment...
Honda CB750 CB550 CB500 CB400 CB350 pilot jet set size 48 (pk 4)

Honda CB Pilot Jet Set ~ Size #48 (Pk/4)

$15.95 USD
48-3106
Tune your low-speed circuit with this Pilot Jet Set of 4, size #48. Jet height 28mm, outer diameter 5.5mm.Pilot jets control your idle and...
Honda CB550 CB500 CB400 CB350 float bowl gasket

Honda CB550/CB500/CB400/CB350 Float Bowl Gasket

$9.95 USD
20-8032
Replace your CB350F/CB400F or CL350/SL350 float bowl gasket with this Float Bowl Gasket (O-ring).Key Features• Float bowl gasket (O-ring)Fitment / Compatibility• Honda CB350F (1973‑74)...
Honda CB500K carb rebuild kit

1971-73 Honda CB500K Carb Rebuild Kit

$34.95 USD
73-0829
Rebuild a CB500K carburetor with this Carb Rebuild Kit. Contains: float bowl gasket, carb top gasket, float needle and seat (1.8), secondary main jet...
Honda CB550 CB500 CB400 CB350 float valve 16011-329-004

Honda CB550 / CB500 / CB400 / CB350 Float Valve ~ Replaces 16011-329-004

$13.95 USD
48-1510
Replace your float needle and seat with this Float Valve Set (needle and seat), replacing OEM #16011-329-004.Key Features• Float valve set (needle and seat)•...
Honda CB550 CB500 CB400 CB350 secondary main jet 68 99202-601-0680

Honda CB Secondary Main Jet #68 with O-Ring ~ Replaces 99202-601-0680

$5.95 USD
48-1586
Replace a worn, damaged, or incorrect secondary main jet on compatible Honda CB Keihin carburetors with this aftermarket Keihin-type press-fit main jet in size...
Honda CB550K CB500K jet needle set 16012-323-004

1971-76 Honda CB550K / CB500K Jet Needle Set ~ Replaces 16012-323-004

$24.95 USD
99-5330
Upgrade or restore your classic Honda motorcycle with this Jet Needle Set — high‑quality replacement components designed to match OEM performance standards. This needle...
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1971 Honda CB500K · Carb Rebuild & Jetting Buying guide

Separate a rebuild purchase from a jetting decision

A rebuild kit’s contents and a pilot-jet size are different buying decisions. Use the current kit list to count parts, then compare carburetor identification and existing calibration rather than assuming every supplied jet suits a modified intake or exhaust.

Parts to consider

1971-73 Honda CB500K Carb Rebuild Kit One-carburetor CB500K rebuild kitIncludes gaskets, needle-and-seat components, jets, jet needle and listed small hardware.View part Honda CB Pilot Jet Set ~ Size #40 (Pk/4) Four #40 pilot jetsPack of four; the listing specifies 28mm height and 5.5mm outside diameter.View part Honda CB550 / CB500 / CB400 / CB350 Float Valve ~ Replaces 16011-329-004 Float needle and seat setOne matching needle and seat for one carburetor; replaces 16011-329-004.View part

Related parts: Individual float bowl gasket

Read kit contents instead of assuming everything is included

The kit description identifies bowl and top gaskets, float needle and seat, jets, jet needle, O-rings and small hardware. It explicitly services one carburetor. The separately listed float is not named among those contents, so check the full kit list against the work planned before ordering.

Match jetting to the carburetor setup

The pilot-jet pack specifies its size and dimensions. Compare those with the installed carburetor and existing jets, particularly after modifications. This guide does not prescribe a larger size or treat a supplied jet as proof of the correct calibration for every current CB500K setup.

Common questions

Which parts are actually included in one CB500K carb rebuild kit?

Each kit lists bowl and top gaskets, a 1.8 needle-and-seat, #100 jet, #40 pilot jet, D26 needle, seven O-rings plus a screw O-ring, screw with spring and C-clip. One kit services one carburetor; four cover the complete rack.

Which separately offered parts overlap with the kit contents?

The bowl gasket and float needle-and-seat are already named in the kit. Compare its contents before ordering separate versions of those parts. A replacement float is not named in the kit and has its own listing and application.

How do I check the #40 pilot-jet pack against the fitted carbs?

The package contains four #40 jets, each 28 mm high with 5.5 mm outside diameter. The listing identifies #40 as stock for the 1971–73 CB500K. Compare carburetor type and existing calibration; modifications do not automatically justify that or a larger size.

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