Triumphrat

danbike · 04-15-2006

Cleaning my T100 yesterday, I noticed a clear plastic tube connected to another black rubber tube. They were in the rear center of the bike, kind of above the swing arm. I suspect it is some type of drain from the crankcase breather, but I could not find any reference to it in the owner's manual or the shop manual.

Can someone out there with more smarts that me, tell me how to get the blasted thing drained?

Thanks in advance.

04-15-2006

.....without looking at the equivalent tube on my bike - too dark at night - my guess is it's the overflow tube from the gas tank. See what others have got to say though. If I'm right, not much draining to be done, should clear itself.

Paul

mjs3800 · 04-15-2006

You are correct it is a drain for the breather. If it is full pull it off and drain it. It is a lot of fun putting it back. I believe it is to be checked every 4-6 thousand miles.

petemw · 04-15-2006

On mine it will fill up when the tank has been full and then drain or siphon as the tank empties. This may take a few fill cycles of fill-ups to happen but it does. Unless it’s leaking it must vaporize and travel back into the fuel system as vacuum and temperature increases.

Sheepdog · 04-15-2006

If I'm not mistaken, there is also an airbox drain somewhere down there. Normally, this is a low frequency maintenance item, but if you have removed your airbox snorkel or are using a Bellmouth it should be checked more frequently. When the airbox fills with oil from the crankcase breather and water from rain and washing, it can eventually saturate your filter causing some pretty awful performance characteristics. Figure out a way to drain it every couple of months and you won't be sorry.

riccih46 · 04-15-2006

The clear tube attached to the bottom of the air box and crimped closed at the other end is a drain tube to catch oil blown back into the air box through the breather. It's crimped closed cause you really don't want oil blowing out on your rear tire... In 12,000 miles I've taken it off once to drain it.

The other black tube sraining out a little lower is the breather/overflow for the gas tank. If you park on a hot day with a full tank of gas don't be surprised to see a wet spot on the ground under this tube.

Ric