:smile2:Looks too big for the tank breather hose, but that's my guess. You'll see a bunch of hoses on the right side behind the engine. One of those is the "puke tube", which comes from the factory with a plug in it. It should be periodically drained and the plug reinserted. Or, you can put a valve on the end, which makes draining it easy. Here's a thread on tubes: https://www.hondarebelforum.com/f12...ne-clear-one-with-dark-fluid-in-it-49250.html