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1972 Honda CB350F0 Gaskets & Oil Seals

An oil stain can lead to a small seal order rather than a complete engine strip. For the 1972 CB350F0 Four, compare the leaking location, the old seal’s dimensions and the type of tappet cover before choosing individual pieces or a mixed-model kit.

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Currently viewing Gaskets & Oil Seals & Engine Hardware

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Honda CB750 CB550 CB500 CB400 CB350 point plate gasket 30372-300-300

Honda CB Point Plate Gasket ~ Replaces 30372-300-300

$7.50 USD
18-7010
Replace your Contact Point Plate Cover Gasket with this Point Plate Gasket, replacing OEM #30372-300-300. Broad fitment across the SOHC CB750, CB500K/CB550 family, and...
Honda CB750 CB400 CB350 shift shaft seal 14 x 28 x 7 91206-286-013

Honda CB Shift Shaft Seal ~ 14 x 28 x 7 ~ Replaces 91206-286-013

$4.61 USD
73-0959
Replace your shift shaft seal with this Shift Shaft Seal, 14 x 28 x 7, replacing OEM #91206-286-013. High-quality, made in Japan.Key Features• Shift...
Honda CB750 CB550 valve tappet cover gasket (set 8) 91302-001-020

Honda CB Valve Tappet Cover O-Ring (Set/8) ~ Replaces 91302-001-020

$15.95 USD
18-7069
Replace your valve tappet cover O-rings with this Valve Tappet Cover O-Ring Set of 8, replacing OEM #91302-001-020. Designed for stock-type valve tappet covers...
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Honda CB550 CB500 CB400 CB350 engine primary drive rubber set 8 23114-323-000

Honda CB550 / CB500 / CB400 / CB350 Engine Primary Drive Rubber Set/8 ~ Replaces 23114-323-000

$32.95 USD
28-6922
Restore smooth power transfer inside the engine with this Engine Primary Drive Rubber Set (Set of 8), designed to replace worn or deteriorated original...
Honda CB750 CB650 CB550 CB500 crank seal 30 x 42 x 8 91201-300-003

Honda CB Crank Seal ~ 30 x 42 x 8 ~ Replaces 91201-300-003

$7.00 USD
73-0960
Replace your crank seal with this Crank Seal, 30 x 42 x 8, replacing OEM #91201-300-003. High-quality, made in Japan.Note: please reference the OEM...
New
Honda CB350F CB400F engine oil seal kit with 9 engine seals

1972-77 Honda CB350F / CB400F Engine Oil Seal Kit

$22.66 USD
01-9000
Rebuild your small-bore Honda Supersport right with this 9-piece Engine Oil Seal Kit. Covers every major oil seal on the CB350F and CB400F in...
Honda CB500 CB450 CB400 CB360 CB350 cylinder head gasket 12909-428-003

Honda CB Cylinder Head Gasket ~ Replaces 12909-428-003

$2.95 USD
73-1186
Restore top-end sealing performance with this high-quality Cylinder Head Gasket. Designed to match OEM specifications, this gasket ensures a perfect fit and proper sealing...
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1972 Honda CB350F0 · Gaskets & Oil Seals Buying guide

Choose seals by their position and the parts already fitted

The nine-piece assortment covers several engine locations, while separate shift-shaft seals and tappet-cap O-rings support narrower repairs. Kit contents and engine requirements are different counts, especially where CB400F parts share the package.

Parts to consider

1972-77 Honda CB350F / CB400F Engine Oil Seal Kit Nine-piece engine seal kitShared CB350F/CB400F assortment with crankshaft, gearshift and other engine seals; the clutch-cover seal is marked for CB400F.View part Honda CB Shift Shaft Seal ~ 14 x 28 x 7 ~ Replaces 91206-286-013 Shift-shaft sealJapanese-made 14 × 28 × 7 seal, replacing reference 91206-286-013.View part Honda CB Valve Tappet Cover O-Ring (Set/8) ~ Replaces 91302-001-020 Tappet-cover O-ringsEight O-rings for OEM-type tappet covers, replacing reference 91302-001-020.View part

Related parts: Points-cover gasket · 30 × 42 × 8 crank seal

Read a shared-model kit by position

The seal kit contains two crankshaft seals plus tachometer, crankcase, countershaft, gearshift, main-shaft and clutch-lever seals. One clutch-cover seal is explicitly marked for CB400F. Lay out the old pieces and match their positions instead of assuming every supplied seal belongs in the CB350F.

Keep cap seals with the correct cap design

The eight tappet-cover O-rings are specified for OEM-type covers. Aftermarket finned caps can have their own sealing arrangement, so inspect those before adding the stock-type set. The linked crank seal is 30 × 42 × 8; that size identifies one seal rather than every crankshaft sealing position.

Gaskets & Oil Seals questions

Should I buy the whole seal kit for a shift-shaft leak?

A separate 14 × 28 × 7 shift-shaft seal is available for a targeted repair. The nine-piece assortment makes more sense when several locations are already being serviced; confirm the source of the leak first.

Are the eight tappet-cover O-rings suitable for finned aftermarket caps?

They are specified for OEM-type tappet covers only. Match an aftermarket cap to its own gasket design instead. A cap that includes a gasket does not establish that the separate OEM-type O-ring will fit it.

Does the crank seal listing cover both crankshaft ends?

The separate seal specifies 30 × 42 × 8 and reference 91201-300-003. The broader kit contains two crankshaft seals. Compare the old seal, its location and dimensions rather than ordering two of one size by assumption.

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