Honda motorcycle parts
Choose your model and year to see parts listed for your bike.
Choose your model and year to see parts listed for your bike.
1982 Honda CB900C Custom · Engine Parts Buying guide
The CB900C has an air-cooled, 16-valve DOHC engine, a five-speed main gearbox and a separate dual-range subtransmission. An oil filter, a valve shim and a piston kit belong to different jobs; diagnose the fault before buying internal parts.
Three stock-type oil filtersThree paper elements for the original-type housing; O-rings, springs and washers are separate.View part
Athena top-end gasket setIncludes head, base and valve-cover gaskets, four exhaust gaskets, holder seal and sleeve O-rings.View part
Twenty-piece valve shim assortment25mm-diameter shims in ten selected sizes, two of each, supplied in a plastic case.View part
The 1982 addendum gives a cold valve-clearance inspection sequence using the exhaust-camshaft index marks. Record each valve’s clearance and installed shim thickness before choosing from the twenty-piece assortment. It contains selected thicknesses, so an intermediate or repeated size may still need an individual purchase.
The top-end package lists head, base and head-cover gaskets plus selected seals. Honda’s Custom procedure requires engine removal for head or cylinder work; routine shim checking is a smaller job. The engine oil, dual-range subtransmission oil and rear final-drive oil also remain separate services.
No. Honda checks clearance at the camshaft and lifter shim after removing the head cover. Use the 1982 addendum’s cam-position sequence. Removing the head for guide or valve-seat work is a much larger job and requires engine removal under the Custom procedure.
It can provide spare sizes, but it cannot establish what this engine needs. Measure the cold clearances and actual shim thicknesses first, then compare the required replacements with the ten sizes and two-of-each quantities.
Keep the housing spring and support washer in their correct positions, and inspect the cover and center-bolt O-rings plus the drain-plug sealing washer. These are separate from the paper element. A spin-on conversion needs the filter specified for its adapter.
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