| Also known as | E5312 |
| Diagram | Fig. 2 — CRANKCASE · ref 31 |
| Subsystem | engine bottom |
| Listed in parts books | 1964–1965, 1967–1968 |
FILTER CRANKCASE 650 64-68
Crankcase sump oil filter/strainer for the 650 twin, catalog PN 70-5312, later superseded by 70-9336.
This is the crankcase sump filter for the 650 twin, catalogued as 70-5312, and it's the strainer that sits in the sump and screens the oil before it gets pulled back into the pump feed. Catalog listings tie it to 650 twins across 1964-1968, and it's shown in the crankcase figure right where you'd expect a sump filter to sit. The older alias on this part is E5312, so if your parts book still uses that letter-prefix number, this is the same physical piece.
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Over time this part number was superseded by 70-9336, so if you're working from a later parts list or the strainer in your engine has that stamped on it, it's the same job, just a newer catalog number. Worth pulling and cleaning any time you're in the sump for other work, since a clogged strainer starves the pump of oil flow.
We don't have a lot more detail on this one beyond the catalog record, so if you're not sure which version your engine needs, give us a call and we'll confirm before you order.
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