Honda motorcycle parts
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1972 Honda CB350F0 · Engine Buying guide
A routine oil change, an external leak and a cylinder rebuild need different parts lists. Separate original-housing service pieces from conversion hardware, then work through the four cylinders and sealing locations individually.
Stock-type oil filterPaper filter element for the original housing. Housing seals, spring and washer are separate service pieces.View part
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
47 mm piston kitOne standard-size piston with rings, pin and two clips. Four kits cover all four cylinders.View part
Related parts: CB350F cam chain · Eight primary-drive dampers · Rings for one piston
The original filter arrangement uses a paper element with separate housing hardware. A spin-on conversion replaces that arrangement, so identify what is installed before ordering a filter or bolt. Honda describes this engine as wet-sump; choose service parts for the Four rather than following separate-oil-tank assumptions.
A standard piston kit supplies one piston, rings, pin and clips. Four kits cover the engine, but only after cylinder measurements support standard-size parts. The linked primary-drive rubber set belongs inside the engine, while the linked cam chain serves the overhead camshaft; neither is the rear-wheel chain.
No. Each kit supplies one 47 mm standard piston with rings, pin and two clips. The CB350F has four cylinders, so a full matching piston replacement uses four kits after the bores have been measured.
The kit covers both CB350F and CB400F applications and includes a clutch-cover seal marked for CB400F. Match each seal to the disassembled engine; nine supplied pieces do not mean nine identical CB350F installation positions.
Use CB350F0 and the four-cylinder engine identification. Honda also sold CB350 twins, and their engine parts should not be assumed interchangeable. For a swapped engine, use its identification and the actual component dimensions.
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