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1973 Honda CL350K5 Carburetor Repair & Pilot Jets

Carburetor repairs on a 1973 Honda CL350K5 should begin with the carburetors actually fitted and the fault being investigated. A round-bowl rebuild kit, a size 38 pilot jet and a needle-and-seat purchase solve different ordering needs and should be checked separately.

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Currently viewing Carb Rebuild & Jetting

Honda motorcycle parts

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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 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...
New
Honda CB350K CL350K carb rebuild kit

1970-73 Honda CB350K / CL350K Carb Rebuild Kit

$18.95 USD
48-1393
Rebuild your round-carb-bowl CB350 or CL350 with this Carb Rebuild Kit, designed for carbs with ROUND CARB BOWLS.Note: each kit rebuilds one carb, order...
New
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...
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1973 Honda CL350K5 · Carburetor Repair & Jets Buying guide

Choose the part for the carburetor and fault

The kit covers one round-bowl carburetor. The pilot jet requires the 99124-286 pattern, while the separate float needle and seat carry their own reference for matching the fuel-level control parts.

Parts to consider

1970-73 Honda CB350K / CL350K Carb Rebuild Kit Round-bowl carburetor kitService kit for round-bowl carburetors, covering one carburetor per kit.View part 1968-73 Honda CB350 / CL350 Slow / Pilot Jet #38 ~ Replaces 99124-286-0380 Size 38 pilot jetAftermarket Keihin-style slow jet, sold each, for the 99124-286 pattern.View part Honda CB Float Needle & Seat ~ Replaces 16011-287-004 Float needle and seatJapanese-made needle and seat with replacement reference 16011-287-004.View part

Separate a rebuild package from a known fault

A rebuild kit may suit wider service, while an identified needle-and-seat problem can call for that particular assembly. The kit’s individual contents are not enumerated. Share the inspection list with the supplier before assuming the separate needle-and-seat purchase is either necessary or already covered.

Treat jet size as a tuning decision

The offered slow jet is an aftermarket Keihin-style size 38 for the 99124-286 pattern. That describes the product, not a verified calibration for every motorcycle or modified intake. Have the required jet type and size established for the fitted carburetors before selecting it.

Buying questions

Is size 38 automatically correct for my current setup?

No automatic tuning conclusion follows from its availability here. Confirm the fitted carburetor’s jet pattern and the calibration required for the engine setup before choosing this particular size.

Does one rebuild kit supply both carburetors?

One kit covers one round-bowl carburetor. Build the order from the number being serviced, and confirm the specific internal parts needed before adding separate components that might duplicate the package.

What should I check before buying a loose pilot jet?

Match the 99124-286 jet pattern and the size 38 calibration required by the fitted carburetor. The jet is sold each. If you also need a seal, confirm that separate requirement before completing the order.

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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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