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1973 Honda CB350G Carburetor Service & Jetting

The CB350G twin’s carburetors require model-appropriate service parts and a deliberate calibration choice. Start by identifying the fitted carburetors, then separate float-valve or cover repairs from jetting changes. Choices here include needle-and-seat replacements and individual chrome top covers.

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Currently viewing Carb Rebuild & Jetting

Honda motorcycle parts

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Honda CB350 CL350K0 CL350K2 CL350K3 float needle and seat 16011-287-004

Honda CB Float Needle & Seat ~ Replaces 16011-287-004

$13.95 USD
48-1519
Replace your CB350 or CL350 float needle and seat with this Float Needle & Seat, made in Japan, replacing OEM #16011-287-004.Key Features• Float needle...
Honda CB350 CL350 slow pilot jet #38 99124-286-0380

1968-73 Honda CB350 / CL350 Slow / Pilot Jet #38 ~ Replaces 99124-286-0380

$7.00 USD
48-1588
Restore clean idle and low-speed fuel metering with this aftermarket Keihin-style slow / pilot jet, size #38. It replaces Honda OEM #99124-286-0380 for select...
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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Honda CB350 CL350K0 CL350K1 CL350K2 CL350K3 carburetor screw kit

Honda CB Carburetor Screw Kit

$17.57 USD
48-0795
Refresh your CB350 or CL350 / SL350 carb screws with this Carburetor Screw Kit. Enough for 2 carbs. Get a new set of screws...
Honda CB350K CB350G CL350K SL350 chrome carburetor top cover 16014-286-000

Honda CB350K / CB350G / CL350K / SL350 Chrome Carburetor Top Cover

$24.95 USD
13-0011
Aftermarket chrome carburetor top cover for the Honda 350 models listed below. It replaces a worn, damaged or missing original carburetor top cover.Product Details...
Honda CB500T CB450 CB360 CB350 slow pilot jet #35 99124-286-0351

Honda CB500T / CB450 / CB360 / CB350 Slow / Pilot Jet #35 ~ Replaces 99124-286-0351

$7.00 USD
48-1587
Restore clean idle and low-speed fuel metering with this aftermarket Keihin-style slow / pilot jet, size #35. It replaces Honda OEM #99124-286-0351 for the...
Honda CB350 press fit primary main jet #60 99201-601-0600

1968-73 Honda CB350 Press Fit Primary Main Jet #60 ~ Replaces 99201-601-0600

$6.36 USD
48-1585
Restore clean carburetor fuel metering on your Honda CB350 with this aftermarket press-fit primary main jet, size #60, supplied with the sealing O-ring. It...
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1973 Honda CB350G · Carburetor Service & Jetting Buying guide

Repair the carburetor before choosing a calibration change

Surviving motorcycles may have replacement carburetors or altered tuning. Record the identification on the fitted carburetors and check the appropriate specification before selecting a jet merely because it appears in this category.

Parts to consider

Honda CB Float Needle & Seat ~ Replaces 16011-287-004 Float needle and seatJapanese-made replacement needle-and-seat pair for the listed CB350G carburetor application.View part Honda CB350K / CB350G / CL350K / SL350 Chrome Carburetor Top Cover Chrome carburetor top coverAftermarket chrome top cover for the CB350G carburetor. Sold individually.View part

Choose the service part for the fault

The float needle and seat are a matched replacement choice for the stated twin-carburetor application. The chrome top cover is sold individually. Inspect the relevant assembly before buying; replacing an exterior cover does not establish that the internal fuel-control parts are sound.

Do not infer stock jetting from the grid

Different jet sizes can appear under broad model fitment. Identify the carburetor, primary or secondary circuit and intended calibration before ordering. Intake or exhaust changes call for a checked tuning plan, not a blanket recommendation to substitute a larger jet.

Buying questions

Are all jets shown the stock CB350G sizes?

No such assumption should be made. Match the exact carburetor and circuit to the correct service specification, then choose the intended jet style and size.

Is the chrome top cover supplied as a pair?

No. The top cover is sold individually. Order for the carburetor positions being repaired and compare the cover application with any replacement carburetors already fitted.

Should I change jet size to fix a leaking float valve?

Treat those as separate decisions. Diagnose the float and needle-and-seat condition first; jet size selection is a calibration task rather than a replacement for that repair.

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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