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1972 Honda CB175K6 Fuel System

A fuel-system repair can begin at the filler cap or inside a carburetor, so identify where attention is needed before assembling an order. For your 1972 Honda CB175K6, compare the fitted tank and carburetor details with the individual replacement.

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Honda motorcycle parts

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Honda CB750 CB550 CB450 CB400 CB350 gas cap rubber seal 17631-329-003

Honda CB Gas Cap Rubber Seal ~ Replaces 17631-329-003

$7.95 USD
20-0097
Replace the broad-fitment gas cap rubber seal on many classic Hondas with this Gas Cap Rubber Seal, replacing OEM #17631-329-003. Exceptionally wide fitment covering...
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Honda CB1000 CB900 CB750 fuel tank emblem clamp nut 87311-634-600

Honda CB Fuel Tank Emblem Clamp Nut ~ Replaces 87311-634-600

$6.25 USD
99-5267
Secure your fuel tank emblem properly with this Fuel Tank Emblem Clamp Nut, designed as a direct replacement for the original Honda hardware. This...
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...
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Honda CB450 CL450 CB350 CB72 gas tank filler cap 17620-402-000

Honda Gas Tank Filler Cap ~ Replaces 17620-402-000

$7.95 USD
07-4647
Restore an early-era Honda with this Chrome Gas Tank Filler Cap (with gasket installed), replacing OEM #17620-402-000 / #17620-402-010. Fits the oldest models in...
Universal motorcycle carburetor synchronizer vacuum gauge 2 carb synchronizer

Universal Motorcycle Carburetor Synchronizer Vacuum Gauge ~ 2 Carb Synchronizer

$54.95 USD
37-0003
Carburetor and throttle body synchronizer kit for bikes with 2 Carbs. Makes synching your carburetor setup fast and easy! For use with Honda, Kawasaki,...
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Honda CB175K CB200K fuel petcock 16950-336-005

1972-74 Honda CB175K / CB200K Fuel Petcock ~ Replaces 16950-336-005

$42.95 USD
07-4649
Replace a leaking or stuck fuel petcock with this Fuel Petcock, a direct replacement for OEM #16950-336-005. Stock fit for the 1972-73 CB175K and...
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Honda CB175K premium carb rebuild kit

1972-73 Honda CB175K Premium Carb Rebuild Kit

$32.95 USD
48-1224
Restore smooth fuel delivery and carburetor performance with this Premium Carburetor Rebuild Kit, designed to refresh worn internal components and restore proper operation. This...
Honda CB200 CB175 CB92 carb float 16013-116-700

Honda CB200 / CB175 / CB92 Carb Float ~ Replaces 16013-116-700

$19.95 USD
73-0870
Replace your carb float with this Carb Float with Pin, replacing OEM #16013-116-700.Note: sold each, order the quantity you require.Key Features• Carb float with...
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1972 Honda CB175K6 · Fuel System Buying guide

Plan the repair from tank to carburetor

Keep a tank-sealing job separate from carburetor rebuilding and adjustment. The useful choices differ in what they supply, and a changed tank or carburetor can alter the parts needed.

Parts to consider

Honda Gas Tank Filler Cap ~ Replaces 17620-402-000 Chrome filler capChrome replacement cap with its gasket already installed; compare the filler-neck attachment before ordering.View part Honda CB Gas Cap Rubber Seal ~ Replaces 17631-329-003 Filler-cap rubber sealReplacement rubber seal for reference 17631-329-003; match it to the cap fitted to your tank.View part

Related parts: Stock-fit fuel petcock · One-carb rebuild kit

Start with the affected assembly

A complete chrome filler cap comes with a gasket installed. A separate cap seal suits a different purchasing decision: retaining a usable cap while replacing its rubber. Compare the cap attachment and sealing arrangement on the tank itself, particularly where a previous owner changed bodywork.

Choose the correct 1972 carburetor kit

The linked kit covers 1972–73 CB175K carburetors and rebuilds one carburetor. Its metering pieces include a #90 main jet, D2 needle jet and #38 pilot jet. Compare the fitted carburetor and its setup before choosing quantities or replacing jets.

Questions before buying

Should I buy a cap seal or a complete filler cap?

Choose after inspecting the cap assembly. A usable cap may need only its matched rubber seal, while the chrome replacement cap supplies an installed gasket. Compare the attachment and sealing face before ordering.

Does one rebuild kit cover every carburetor on the bike?

One kit rebuilds one carburetor. Order for the number being serviced, and check the kit contents against each fitted carburetor. Replacement carburetors can change the appropriate gaskets, needle parts and jets.

Is this fuel tap the longer early-model replacement?

For the 1972–73 CB175K, the linked petcock is the stock-fit replacement for 16950-336-005. The longer-than-original warning applies to 1969–71 CB175K installations. A changed tank still needs its connection and clearance checked.

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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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