| Diagram | Fig. 2 — CARBURETOR AND AIR CLEANER · ref 22 |
| Subsystem | fuel |
| Listed in parts books | 1968, 1970–1974 |
| Also fits (as replacement) | 1968–1970, 1975–1980, 1983, 1985 · for 99-0517 |
Banjo bolt (99-0517)
Banjo bolt for the fuel inlet fitting on Amal Concentric carburetors, PN 622/078 (formerly 99-0517).
This is the banjo bolt that holds the fuel line banjo fitting to the Amal carburetor, part number 622/078, which replaced the earlier 99-0517 in the catalog. It's a small but necessary piece on the fuel inlet side of the carb — the fitting the fuel pipe union clamps onto is held in place by this bolt, and it also has to seal against fuel leaking around the joint.
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This number shows up across a wide run of Amal Concentric carb installations in our records, from the smaller unit twins through the 650 and 750 twin carb setups, spanning catalog years from the late 1960s into the mid 1970s. If you're rebuilding a carb or chasing a fuel leak at the inlet fitting, this is worth checking — a stripped or buggered banjo bolt is a common source of a weep at that joint.
We carry it under 622/078 now; if your parts book or an old parts bag says 99-0517, that's the same physical bolt under its earlier factory number.
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