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1973 Honda CL350K5 Fuel System Service

A 1973 Honda CL350K5 fuel-system order is easiest to check when tank problems and carburetor problems are separated. Confirm the tank connection, cap seal and carburetor bowl type before choosing a petcock, sealing part or one-carburetor service kit.

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Honda CB750 CB550 CB500 CB400 CB360 gas cap rubber seal 17534-323-300

Honda CB Gas Cap Rubber Seal ~ Replaces 17534-323-300

$8.19 $7.95 USD
You save $0.24
20-0039
Replace your mid-'70s Honda gas cap rubber seal with this Gas Cap Rubber Seal, replacing OEM #17534-323-300. Broad fitment across the SOHC CB750K, CB500/CB550...
Honda CB750 CB550 CB500 CB450 CB400 float bowl drain screw

Honda CB Stock Type Float Bowl Drain Screw

$7.50 USD
48-5041
Replace your stock-type float bowl drain screw with this Float Bowl Drain Screw with O-Ring.Note: sold each, order the quantity you require.Key Features• Stock-type...
New
Honda CB550 CB500 CB360 rear fuel tank holder rubber 17613-286-000

Honda CB Rear Fuel Tank Holder Rubber ~ Replaces 17613-286-000

$9.95 USD
12-0133
Restore proper rear fuel tank mounting on your mid-'70s twin or four with this Rear Fuel Tank Holder Rubber, a direct replacement for OEM...
Honda CB450 CB360 CB350 CL350K0 CL350K2 fuel petcock 16950-292-000

Honda CB Fuel Petcock ~ Replaces 16950-292-000

$34.95 USD
29-0542
Replace your CB450, CL450, CB350, or CB360 fuel petcock with this Fuel Petcock, replacing OEM #16950-292-000 with M16 x 1.5 threads. Please verify the...
Honda CB750 CB450 CB350 CB200 CB175 front cable clip 45465-270-000

Honda CB Front Cable Clip ~ Replaces 45465-270-000

$7.00 USD
73-1116
Keep your wiring clean and secure with this Front Cable Clip, designed to hold the stop switch wires neatly against the front cable. Replaces...
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...
New
Honda CB700 CB650 CB550 fuel tank front rubber cushion 17611-KE8-000

Honda CB Genuine Honda 17611-KE8-000 Fuel Tank Front Rubber Cushion ~ Replaces 17611-KE8-000

$17.95 USD
99-5145
This genuine Honda front fuel tank rubber cushion mounts to the frame and supports the front of the gas tank on select classic Honda...
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Honda CB350 CL350K0 CL350K1 carb diaphragm rubber 16022-287-004

Honda CB Carb Diaphragm Rubber ~ Replaces 16022-287-004

$23.45 USD
48-1985
Replace your carburetor top diaphragm rubber with this Carburetor Top Diaphragm Rubber. Outer dimension 72mm, inner dimension 25mm. Replaces the diaphragm rubber on Honda...
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1973 Honda CL350K5 · Fuel System Buying guide

Keep tank fittings and carb repairs on separate lines

The petcock has an M16 × 1.5 connection, the cap seal has its own reference, and the rebuild kit is for round-bowl carburetors. Match these interfaces individually, particularly on a modified motorcycle.

Parts to consider

Honda CB Fuel Petcock ~ Replaces 16950-292-000 Threaded fuel petcockM16 × 1.5 tank connection; replacement reference 16950-292-000.View part Honda CB Gas Cap Rubber Seal ~ Replaces 17534-323-300 Fuel-cap rubber sealSeparate cap seal with replacement reference 17534-323-300.View part 1970-73 Honda CB350K / CL350K Carb Rebuild Kit Round-bowl carburetor kitService kit for round-bowl carburetors, covering one carburetor per kit.View part

Diagnose the tank-side repair separately

A cap-seal requirement and a petcock requirement concern different tank interfaces. Compare the cap seal with reference 17534-323-300 and verify the petcock’s stated thread at the tank. A replacement tank or cap means these checks matter even when the motorcycle’s identity is known.

Make the carburetor order specific

The round-bowl rebuild kit covers one carburetor, but its description does not itemize every internal piece. Tell the supplier which components the inspection requires before buying additional needles or jets. Keep bowl-shape matching and package coverage as separate checks in the service plan.

Buying questions

Does a replacement tank change which petcock I should buy?

It can. Check the connection on the installed tank against the offered M16 × 1.5 thread and confirm clearance and hose arrangement. A motorcycle model match does not identify a swapped tank’s fitting.

Can a cap seal cure every leak near the tank cap?

Identify the fault first. Match the seal to the fitted cap and have the cap’s condition assessed; damage or another fault may require more than a replacement rubber seal.

How many carburetor kits should I put in the order?

Each kit covers one round-bowl carburetor. Count the carburetors actually being serviced after confirming their type, rather than assuming one package covers the entire motorcycle’s fuel system.

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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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