ITEM NAME:Red Button 7/8" Handlebar Motorbike Stop Kill On/Off Switch For 49cc Bikes img *{margin:0;padding:0;.1 Piece Motorcycle Stop Kill Switch. This switch fits all models of the mini moto quad, dirt bike and racing bikes. The trailing wire connects to the bikes ignition coil under the pullstart. The button is spring loaded so no On or Off just push down to operate.