Originally Posted by LukasM
Here is my improvised version, short piece of hose on the little elbow, and a bolt with two hose clamps to block. Have about 25+ hours on it and it never leaked or made any other problems, probably not enough pressure in the system.
Don't know if it cools any better, but if you ride in cold weather sometimes I would keep the thermostat.
Over at the local auto parts store (napa here) I picked up a package of rubber hose caps of various sizes. One of them fits perfectly over the aluminum nipple. Just add a little hose clamp and whala.