I stood there staring at it for upwards of a minute and then finally gave in. "OK - I give - what is it?".It's a flame thrower" was the nonchalant reply.
Then it all made sense. The fuel was contained in a hand pressurized water bottle fastened to the down tube.A pilot light was maintained in the canister mounted strategically on the aft end of the rear fender.The rider of said "flame thrower" need but push the little black button andwah-lah - no more wheel sucker.
Hot - Hot - Hot!!!