| Diagram | Fig. 16 — FRAME · ref 12 |
| Subsystem | frame |
| Listed in parts books | 1976–1978 |
Oil junction block
An oil junction block from the mid-to-late 1970s gearbox/frame oil routing, part number 71-7013.
71-7013 is an oil junction block, part of the lubrication routing that shows up in the catalogs alongside the gearbox inner cover and selectors as well as under frame listings. It's a fitting that ties oil lines together at a junction point rather than a part that moves or wears in normal service, so most of the time it's overlooked until a line starts seeping at the connection.
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Our records show this one appearing across catalog entries from 1976 to 1978, so if you're working on a bike from that era it's worth checking the fitting against what's already on yours before you order. Give it a look at the sealing faces and threads for damage before you reuse an old one.
It's a small part but it sits in the oil circuit, so a bad seal here means oil where you don't want it. Worth a look any time you've got the area apart.
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