| Also known as | E7637 |
| Diagram | Fig. 13 — ENGINE FITTINGS AND EXHAUST SYSTEM · ref 23 |
| Subsystem | exhaust |
| Listed in parts books | 1968–1969 |
Left exhaust pipe T90, T100R, T100T
Left-hand exhaust pipe for the T90, T100R, and T100T, also known by its earlier E7637 number.
This is the left-hand exhaust pipe for the T90, T100R, and T100T, listed in the parts book under the ENGINE FITTINGS AND EXHAUST SYSTEM section. It's the pipe that runs off the left exhaust port down to the silencer on that side, carrying the older legacy number E7637 before the modern numbering system took over.
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Our catalog record ties this one to the T90 and T100 series in the late 1960s. If your bike's parts book lists E7637 instead of 70-7637, they're the same physical pipe under two different number systems.
Exhaust pipes take a beating from heat cycling and road salt over the decades, so check yours for splits, rust-through, or a flange end that's worn oval before you order. Have your mounting hardware and clamps ready too, since a tired old pipe often means tired old fasteners.
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