1971 Honda SL350K1 Tank Caps & Petcocks

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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

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

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 CB450 CB350 CL350K3 gas cap rubber seal 17525-300-000

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

$5.95 USD

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...

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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

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

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...

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1971 Honda SL350K1 · Tank Caps & Petcocks Buying guide

Choose between a seal, cap and tank-fitting repair

The chrome cap includes hinge hardware and a gasket. A separate cap seal suits a different repair decision, while the threaded petcock needs a physical tank-connection check. The latch has its own package, with a separate cap seal and rear tank rubber also linked.

Parts to consider

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

Chrome filler capOEM-type replacement cap supplied with a gasket, hinge pin and E-clip.View part

Honda CB Fuel Petcock ~ Replaces 16950-292-000

Threaded fuel petcockPetcock with M16 × 1.5 threads and replacement reference 16950-292-000.View part

Honda CB Gas/Fuel Tank Cap Latch Assembly

Fuel-cap latch assemblyChrome latch, return spring, mounting pin and C-clip supplied together.View part

Keep cap and latch contents separate

The cap includes its gasket, hinge pin and E-clip. The featured latch assembly contains a chrome latch, return spring, mounting pin and C-clip. Inspect both mechanisms before ordering; their supplied pieces correspond to different repairs around the filler opening.

Check a replacement tank directly

Measure the petcock connection and compare outlet clearance on the tank fitted. The linked rear tank-holder rubber carries replacement reference 17613-286-000, but a changed tank also needs its mounting arrangement checked. Matching the motorcycle year alone cannot settle altered tank fittings.

Buying questions

Can I replace only the filler-cap rubber seal?

Inspect the cap body, hinge and latch first. If those remain serviceable, compare the separate seal’s profile and reference 17525-300-000 with the existing cap before choosing a seal-only repair.

What extra hardware comes with the separate latch assembly?

It supplies the chrome latch, return spring, latch mounting pin and C-clip. Check the hinge-side hardware separately, since those pieces belong to the cap’s mounting rather than the latch package.

What should I measure before ordering the petcock?

Check the tank connection for the required M16 × 1.5 thread and inspect the space for the outlet and fuel hose. This matters especially when the original tank has been replaced.

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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