| Also known as | M83-5290 |
| Diagram | Fig. 16 — FRAME · ref 28 |
| Subsystem | frame |
| Listed in parts books | 1974, 1976–1978 |
T PIPE,BREATHER T140
A T-shaped breather pipe fitting, PN 83-5290, used to join crankcase breather hose runs on the T140.
This is the breather T-piece, part number 83-5290, listed in the catalog as T PIPE, BREATHER T140. It shows up in the catalog under CHAINCASE AND CHAINS, GEARBOX INNER COVER AND SELECTORS, and FRAME, which tells you this fitting ties the crankcase breather line into the frame and gearbox area rather than living in just one spot. It's a small T-shaped connector that joins breather hose runs together so crankcase pressure has a path to vent.
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It appears in catalog listings spanning 1974 to 1978. The older-style part number for the same piece is M83-5290, so if your parts book or an old invoice shows that number, it's the same fitting.
It's a simple item, but breather hose fittings crack or go brittle with age, and a bad one can mean oil seeping out where it shouldn't. Worth checking the fit against your hose diameters before you order, and give us a call if you're not sure which run this one connects on your bike.
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