Fuel GaugeGas cap fuel gauge.. The little plastic float actuates the meters needle.
A nifty & simple way of checking your fuel level.
It fits the Dax and Chaly gastank and it will probably fit on more Honda bikes with small fuel caps (CD/C)..
You don't see these very much unless you ride a Chaly and live in Thailand I guess.
It supposedly is a genuine Honda part(?!) but who cares anyway ?!
Pics by Andy from Belgium.