| Diagram | Fig. 10 — Inner and Outer Chaincase, Hydraulic Tensioner · ref 28 |
| Subsystem | primary |
| Listed in parts books | 1975 |
Norton Plunger Assembly
Plunger for a hydraulic primary chain tensioner assembly, part number 06-5341.
This is the plunger from the primary chaincase hydraulic tensioner setup, part number 06-5341. It shows up in the parts book under the Inner and Outer Chaincase / Hydraulic Tensioner figure, where it works as the moving piece that takes up slack in the primary chain automatically instead of relying on a manual adjuster.
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Our catalog record for this one is thin - it only shows up in a single listing tied to the 1975 model year. If you're chasing this for a rebuild, it's worth double-checking against the rest of your tensioner assembly before you order, since we don't have more detail on this one beyond the figure it appears in.
Given the manufacturer code on file, this looks like it belongs to a Norton primary chaincase rather than a Triumph one - worth confirming against your own parts book before assuming cross-fit.
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