| Also known as | E4689 |
| Diagram | Fig. 3 — OIL PUMP AND RELEASE VALVE; INLET MANIFOLD · ref 4 |
| Subsystem | engine top |
| Listed in parts books | 1964–1969 |
Inlet manifold 1 T90
Inlet manifold for the T90, part number 70-4689, superseding the earlier 70-4014.
This is an inlet manifold, part number 70-4689, listed under the T90 designation in the catalog and appearing in the OIL PUMP, RELEASE VALVE AND INLET MANIFOLD and INLET MANIFOLDS figures. It's the piece that carries the carburetor's charge into the cylinder head, bolting between the carb and the head on the intake tract.
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The catalog also shows this number superseding an earlier part, 70-4014, meaning it's the updated factory replacement for that older manifold if your parts book still lists the earlier number. You may also see this part cross-referenced as E4689 in some records, and it does turn up listed as USED stock in places, so check the specific listing you're buying from for condition.
Our catalog data ties this one to the T90 line specifically, and other records we've seen mention a T100C application as well, so if you're not sure which manifold your bike takes, give us a call and we'll help confirm before you order.
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