| Also known as | E6061 |
| Diagram | Fig. 9 — OUTER PRIMARY COVER – CHAIN TENSIONER – CLUTCH CONTROL · ref 34 |
| Subsystem | primary |
| Listed in parts books | 1967–1973 |
Chain tensioner blade
Primary chain tensioner blade for the primary chaincase, part number 70-6061 (also E6061).
This is the primary chain tensioner blade, part number 70-6061, also known under the earlier E6061 designation. It lives inside the primary chaincase, riding against the primary chain to keep tension correct as the chain wears and stretches. You'll find it referenced across the outer primary cover, chaincase, and primary transmission figures in the parts books, which tells you it's a component you deal with any time you're in the chaincase for chain adjustment or clutch work.
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The catalog shows this part appearing across model years from 1967 to 1973, so it's been in the lineup a while under this number. If you're pulling the primary cover to check chain slack or you're replacing a worn tensioner, this is the blade that takes the wear so the chain doesn't have to run loose or tight against the cases.
Worth keeping an eye on this one during routine chaincase service — a tensioner blade that's worn down or cracked won't hold proper chain tension and can let the primary chain slap around inside the case.
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