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1971 Honda CB100K1 Fuel System Parts

Break a fuel-system repair into the tank joint and the carburetor work. These 1971 Honda CB100K1 choices include a stock-petcock body seal, a float supplied with its pin and a drain screw with an O-ring, each serving a separate repair point.

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Honda CB750 CB550 CB500 CB350 CB200 fuel petcock gasket 16997-273-006

Honda CB Fuel Petcock Body O-Ring / Gasket ~ Replaces 16997-273-006

$5.50 USD
49-0260
Replace your fuel petcock gasket with this Fuel Petcock Gasket / O-Ring, replacing OEM #16997-273-006 / #16960-011-000. This is the O-ring that goes between...
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 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...
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...
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...
New
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...
New
Honda CB100K carb rebuild kit

1970-72 Honda CB100K Carb Rebuild Kit

$22.95 USD
48-1387
Rebuild your CB100K carb with this Carb Rebuild Kit.Note: each kit rebuilds one carb, order the quantity you require.Key Features• Carb rebuild kit• Rebuilds...
New
Honda CB125S CB100K fuel petcock 16950-107-000

1970-74 Honda CB125S / CB100K Fuel Petcock ~ Replaces 16950-107-000

$21.46 USD
29-0541
Replace your CB100K or CB125S fuel petcock with this Fuel Petcock, replacing OEM #16950-107-000 / #16950-107-005 / #16950-356-005 / #16950-356-700. Single fuel output type...
Honda CB350 CB125 CB100 CB77 CB72 carb float 16013-286-014

Honda CB Carb Float ~ Replaces 16013-286-014

$22.95 USD
20-6500
Replace your carb float with this Carb Float with Pin, replacing OEM #16013-286-014. Fits the CB350F 1973, CB350K/CL350K/SL350, and the earliest classics including CB72/CB77...
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1971 Honda CB100K1 · Fuel System Buying guide

Build the order from the parts you intend to disturb

A tank seal and carburetor components answer different ordering needs. Identify the repair location, check the hardware fitted and review the pieces supplied before combining them in one order.

Parts to consider

Honda CB Fuel Petcock Body O-Ring / Gasket ~ Replaces 16997-273-006 Tank-to-Petcock O-RingSeal between the tank and stock OEM petcock body; replaces references 16997-273-006 and 16960-011-000.View part Honda CB Carb Float ~ Replaces 16013-286-014 Carb Float with PinFloat supplied with its pin; replacement reference 16013-286-014. Sold individually.View part Honda CB Stock Type Float Bowl Drain Screw Float-Bowl Drain ScrewStock-type drain screw supplied with an O-ring. Sold individually; order for the work planned.View part

Identify the tap before buying its seal

The featured petcock O-ring seals the joint between the tank and the stock OEM petcock body. Its references are 16997-273-006 and 16960-011-000. If the tap has been replaced, identify that replacement first rather than carrying the original seal choice across to it.

Use the supplied pieces to avoid duplicate orders

The float is supplied with its pin, and the stock-type drain screw includes an O-ring. Both are sold individually. Match these choices to the components being renewed and check any kit you already have, so you do not order the same service pieces twice.

Ordering questions

Does the stock-petcock O-ring also suit the replacement tap in this collection?

The O-ring is specified for a stock OEM petcock. The separately offered replacement tap has a longer body and a changed outlet position on some models; its presence in the same collection does not confirm that it uses this seal.

Can I choose these carb parts for a replacement carburetor?

Identify the carburetor fitted and compare its float and drain hardware before ordering. The motorcycle model does not establish the specification of an aftermarket or swapped carburetor, even when the repair location appears the same.

Should I add a pin and O-ring when ordering the featured carb parts?

The featured float already includes its pin, and the featured drain screw includes an O-ring. Check any other items or kits in your order before adding duplicates for those same repair points.

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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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