Guess there's not too much point in Hamas developing the "Great Islamic Skateboard o'Death", since the IDF can probably blast that thing to smithereens, too.
If one tinkers a little with the fuel tank (adding nitromethane and nitroglycerol into it) the motorcycle engine is sure to blow up, and if it was a lot of these additives, then it will blow up real well, igniting and detonating the fuel tank. And no helicopters or anything else needed.