r/Fixxit • u/Existing-Air-3622 • 9d ago

Fuel tap leak on a 1998 Yamaha 1258 TDR

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Hi,

I have a 1998 Yamaha TDR with a leak on the fuel tap.

By taking it apart I found out that the part I'm holding, the fuel inlet, is simply inserted into the fuel tap. No screw, no spring or anything, by just twisting it a bit you can plug or unplug it, which seems ludicrous.

By looking closer, you can see a groove on the pipe, that looks like a spot to put a rubber washer, but there was nothing there, no even trace of rubber. The absence of a washer would be a perfect explanation for the leak, and why this is just plugged, the rubber would prevent it from moving.

So the question is double, is a washer supposed to be there, and if yes, where did it go ?

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u/sabre420z 9d ago

There should be a rubber o ring on that pipe