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1971 Honda CL450K4 Fuel System Parts

A fuel-system order for a 1971 Honda CL450K4 should start by identifying the tank and carburetors actually fitted. Cap assemblies, a threaded petcock and carburetor service items have different matching points, so check each assembly instead of relying on the motorcycle year alone.

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Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

Honda CB rear fuel tank holder rubber 17613-292-000

Honda CB Rear Fuel Tank Holder Rubber ~ Replaces 17613-292-000

$14.95 USD
02-6535
Secure your fuel tank at the rear with this Rear Fuel Tank Holder Rubber, a direct replacement for OEM #17613-292-000. One used per bike,...
Honda CB front fuel tank holder rubber 17611-283-010

Honda CB Front Fuel Tank Holder Rubber ~ Replaces 17611-283-010

$7.87 USD
02-6534
Secure the front of your fuel tank with this Front Fuel Tank Holder Rubber, a direct replacement for OEM #17611-283-010. Fits a broad range...
Honda CB750 CB550 CB500 CB450 type filler chrome cap 17510-323-310

Honda CB OEM Type Filler Chrome Cap ~ Replaces 17510-323-310

$49.95 USD
20-0045
Replace your OEM-type filler cap with this OEM Type Gas/Fuel Tank Chrome Cap, including gasket and hinge pin with E-clip for easy installation. Replaces...
Honda CB750 CB550 CB500 CB450 CB400 gas fuel tank cap latch assembly

Honda CB Gas/Fuel Tank Cap Latch Assembly

$44.95 USD
20-0083
Replace your gas cap latch with this Gas/Fuel Tank Cap Latch Assembly. Includes a chrome latch, return spring, latch mounting pin, and C-clip.Key Features•...
Honda CB750 CB500 CB450 CB125 CB100 float valve 16011-302-004

Honda CB Float Valve ~ Replaces 16011-302-004

$9.95 USD
48-5009
Replace your float needle and seat with this Float Valve Set (needle and seat), replacing OEM #16011-302-004 / #16011-375-004.Key Features• Float valve set (needle...
Honda CB750 CB450 CB350 CL350K3 gas cap rubber seal 17525-300-000

Honda CB Gas Cap Rubber Seal ~ Replaces 17525-300-000

$5.95 USD
20-0038
Replace your early Honda gas cap rubber seal with this Gas Cap Rubber Seal, replacing OEM #17525-300-000. Fits the earliest CB750K, CB450K/CL450K, and CB350K/CL350K/SL350K.Key...
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 CB550 CB450 CB400F fuel tank cap latch 17510-323-310

Honda CB Matte Black Fuel Tank Cap with Latch ~ Replaces 17510-323-310

$69.95 USD
07-9967
Restore your classic Honda's tank with a factory-look matte-black finish using this Matte Black OEM-Type Fuel Tank Cap with Latch Assembly. A direct replacement...
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 CB750 CB550 CB400F CB450 CB360 tank cap latch assembly black

Honda CB Gas/Fuel Tank Cap Latch Assembly ~ Black

$29.95 USD
01-9934
Replace a broken, missing, or worn-out fuel cap latch with this Gas/Fuel Tank Cap Latch Assembly in black. Includes the black latch, return spring,...
Honda CB500 CB450 CL450K0 CL450K2 CL450K3 carb float 16013-283-004

Honda CB Carb Float ~ Replaces 16013-283-004

$17.95 USD
20-6512
Replace your CB500T or CB450/CL450 carb float with this Carb Float with Pin, replacing OEM #16013-283-004.Sold each, order the quantity your bike requires.Key Features•...
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Honda CB450K CL450K carb rebuild kit

1968-71 Honda CB450K / CL450K Carb Rebuild Kit

$19.95 USD
48-1395
Rebuild your early 5-speed CB450 or CL450 carbs with this Carb Rebuild Kit, designed for carburetor models 14H and 14L used on 5-speed 450s.There...
Honda CB750 CB550 joker machine black gas tank cap latch assembly

Honda CB Joker Machine Black Gas Tank Cap Latch Assembly

$79.95 USD
73-1157
Upgrade your fuel tank latch with the Joker Machine Custom Black Gas/Fuel Tank Cap Latch Assembly. Designed as a premium alternative to the discontinued...
Honda CB750 CB550 CB500 joker machine billet black flip-up gas cap

Honda CB Joker Machine Billet Black Flip-Up Gas Cap

$149.95 USD
73-1156
Joker Machine’s Custom Black Flip-Up Billet Gas Cap is a beautifully crafted upgrade to your original tank cap. CNC-machined from solid 1" thick billet...
Honda CB450 CL450K0 CL450K2 CL450K3 CL450K4 carb holder 16211-283-000

Honda CB Carb Holder ~ Replaces 16211-283-000

$23.95 USD
48-1475
Replace a single CB450 or CL450 carb holder with gasket using this Carb Holder with Gasket, replacing OEM #16211-283-000.Note: this is for one holder....
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1971 Honda CL450K4 · Fuel System Parts Buying guide

Identify the tank and carburetors before selecting parts

Compare the petcock connection and cap hardware at the tank. For internal carburetor work, read the carburetor model marking and separate the service-kit scope from individual float or holder purchases.

Parts to consider

Honda CB Fuel Petcock ~ Replaces 16950-292-000 M16 × 1.5 fuel petcockM16 × 1.5 threaded connection; compare tank fitting and reference 16950-292-000.View part Honda CB OEM Type Filler Chrome Cap ~ Replaces 17510-323-310 Chrome fuel cap with hinge hardwareIncludes gasket, hinge pin and E-clip. Check the separate latch requirements before ordering.View part Honda CB Matte Black Fuel Tank Cap with Latch ~ Replaces 17510-323-310 Matte-black cap and latch assemblyIncludes cap, gasket, hinge pin with E-clip, latch, return spring, latch pin and C-clip.View part

Related parts: 14H/14L carburetor rebuild kit · Float with pin · Carb holder with gasket

Check tank hardware as a complete order

The chrome cap supplies its gasket, hinge pin and E-clip. The matte-black unit adds a complete latch assembly. Compare the pieces you intend to retain before choosing between them, and verify the petcock thread against the tank if it has been changed.

Use carburetor identity to choose the kit

The linked rebuild kit specifies 14H and 14L carburetors and services one carburetor per kit. The linked float is supplied with a pin and sold each. These facts define order contents; they do not establish which carburetors an altered motorcycle now carries.

Buying questions

Will the petcock fit an aftermarket replacement tank?

Only select it after comparing the actual tank connection with M16 × 1.5 and checking the mounting clearance and outlet arrangement. The motorcycle’s year cannot establish the fitting used by an aftermarket tank.

Should a new latch be added to every cap order?

Compare the cap’s stated contents first. The matte-black assembly includes its latch, while the chrome cap’s contents list gasket and hinge hardware. Identify which existing pieces will be retained before adding another latch.

Does one rebuild kit service all the carburetors on the bike?

Each linked kit services one carburetor and specifies 14H or 14L models. Identify the carburetors being repaired, then choose the required number of kits rather than interpreting the motorcycle application as a full-bike package.

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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