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1974 Honda CB350F1 Carburetor Rebuild & Jets

Start a CB350F1 carburetor order by identifying the bank and deciding whether each carb needs a full kit or specific sealing parts. Honda distinguishes standard and optional jet sizes, while the rebuild-kit description does not state the size of every supplied jet.

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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 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 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 CB350F carb rebuild kit

1972-74 Honda CB350F Carb Rebuild Kit

$21.95 USD
48-1903
Rebuild your CB350F Supersport carb with this Carb Rebuild Kit, made in Japan. Contains float bowl gasket, O-rings, carb top gasket, float needle and...
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...
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1974 Honda CB350F1 · Carburetor Rebuild & Jets Buying guide

Build a carburetor order from measured needs

The original F/F1 carburetor assembly is common in Honda’s final catalog. Rebuild kits, float needle-and-seat sets and bowl O-rings are separate choices; inspect the fitted carburetors before combining them.

Parts to consider

1972-74 Honda CB350F Carb Rebuild Kit Single-carb rebuild kitIncludes gaskets, O-rings, float needle and seat, jets, needle, adjusting screw and spring. One kit services one carburetor.View part Honda CB550 / CB500 / CB400 / CB350 Float Valve ~ Replaces 16011-329-004 Float needle and seatFloat valve set containing the needle and seat, with a stated CB350F application.View part Honda CB550/CB500/CB400/CB350 Float Bowl Gasket Float-bowl gasketReplacement bowl O-ring with a stated 1973–74 CB350F application.View part

Use Honda’s baseline without confusing options

Honda identifies #75 main and #35 slow jets as standard, with #68, #70, #72, #78 and #80 mains and a #38 slow jet as optional. A jet number by itself is not enough: verify its physical type and circuit before substituting a tagged product.

Avoid buying the same service pieces twice

The rebuild kit includes a float needle and seat, bowl gasket, O-rings, top gasket, jets, needle, adjusting screw and spring for one carburetor. Separate float-valve and bowl-gasket purchases are useful for narrower repairs. Confirm the kit’s actual jet sizes before installing them in a modified setup.

Ordering questions

Does one kit rebuild all four carburetors?

No. Each kit is for one carburetor. Four kits cover a complete bank when all four need those parts; inspect the floats and other components not named in the kit contents separately.

Is #38 the standard CB350F1 slow jet?

Honda’s final F/F1 catalog lists #35 as standard and #38 as optional. Record the installed jet and the intake/exhaust configuration before deciding whether to return to the stock baseline.

Is any #68 main jet suitable because Honda lists that size?

No. Match the jet design and its circuit as well as the stamped size. A product described as a press-fit secondary main needs specific verification against the original F1 carburetor before use.

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