I WILL BE KEEPING ALL MY SWAPS 6 VOLT, JUST BECAUSE THE BATTERY AND LIGHTS CAN STAY ORIGINAL.... PICK OUT A VICTIM PULL OFF THE FW COVER AND CHAIN TAKE OFF FOOTPEGS AND EXHAUST TAKE OFF MORE FIND STATOR CONNECTOR DISCONNECT THE STATOR PLUG AND REMOVE 2 MOTOR MOUNT BOLTS PUT OLD MOTOR IN "OLD MOTOR HOME" ENGINE_SWAP_WIRING INSTALLING_A_CDI ENGINE_IN_POINTS TYPE_BIKE CT70K0_to_76 all_Z50A_MODELs (SUB_W_1) ENGINE_SWAP_WIRING INSTALLING_A_CDI ENGINE_IN_POINTS TYPE_BIKE CT70K0_to_76 all_Z50A_MODELs (SUB_W_1) (SUB-W-1)$19.99 PLUG IT RIGHT INTO THE STOCK WIRE HARNESS CONNECTOR THREAD THE MAIN PART BACK THRU THE BIG OPENING IN FRAME JUST LOOK AT THE PRETTY COLORS OF WIRES NOW LETS TAKE OUT THE BATTERY BOX SET THAT BAD BOY ASIDE FOR LATER SEE THE COIL DOWN THERE? HOW ABOUT NOW? A MOUSE ATE THESE WIRES AS THEY HAVE BEEN SPLICED WITH PINK CONNECTORS REMOVE THE TOP TWO NUTS IN THIS PICTURE AND THEN TAKE OUT THE POINTS TYPE COIL OH YOU MAY NEED TO UNPLUG IT FROM THE WIRE HARNESS FIRST (: SELL THAT THERE COIL ON EBAY NO MORE COIL DOWN THERE, BUT WE WILL ADD THE CDI COIL IN THE SAME PLACE BIG HOLE===WE WILL FILL IT UP THOU THIS IS THE CDI COIL THERE IS A GREEN AND A BLACK WITH WHITE STRIPE WIRE THE BLACK WIRE GET PLUGGED INTO THE NEW SUB WIRE HARNESS WE ARE GOING TO LET THE GREEN WIRE JUST DANGLE AS THE COIL WILL BE GROUND TO THE FRAME SCREW ONE OF THE NUTS FROM THE OLD COIL ON THE STUD OF THE NEW_CDI COIL THEN PUT THE COIL IN THE FRONT HOLE OF THE OLD COIL'S MOUNTING HOLES AND_TIGHTEN LACE THE PLUG WIRE OUT THE FRONT HOLE AND THE MAIN SUB_HARNESS UP_THRU THE FRAME BRING THE MAIN SUB HARNESS AS FAR OUT AS IT WILL COME IT SHOULD GO THIS FAR TOWARDS THE TAIL LIGHT BRACKET THE OLD BLACK WIRE THAT WENT TO THE OLD COIL WE WILL ALSO LEAVE DANGLE OUR_OLD_VERSION OF GOING 6V WITH 12V LIFAN ENGINES CHECK_THIS_OUT_!!!!! NEW__A WAY_BETTER_WAY TO WIRE IN A 6 OR 12 VOLT SYSTEM 12V_or_6V CT70 REGULATOR RECTIFIER_PIGTAIL CLICK FOR_INSTRUCTIONS (SUB_W_12/12/6/6) SUB-W-12/12/6/6$12.99 6_VOLT REGULATOR RECTIFIER CONVERTS_12V CLONE_ENGINES TO_6_VOLT!! KEEP_ORIGINAL LIGHTS_BATTERY (6V_reg_rec) 6V_reg_rec$15.50 12 VOLT REGULATOR RECTIFIER COMBINATION UNIT (214W) 214W$13.99 OK GET A MOTOR TO INSTALL *WE PICKED THE 120CC ZS* SLIDE THE MOTOR MOUNT BOLTS IN AND TIGHTEN / SEE THE STATOR WIRE RUBBERS? CROOKED THATS BETTER MR. STATOR WIRE RUBBER HERE IS THE DIFFERENT WIRE COLORS WE GOT LUCKY ALL THE COLORS WERE A MATCH / THE NEUTRAL WIRE DON'T GET USED ON THE KO MODELS TO USE THE NEUTRAL WIRE JUST SPLICE THE LIGHT GREEN STRIPED WIRES AND TUCK THEM INSIDE THE FRAME TUCK ALL THE WIRES INSIDE THE FRAME / SOME OF THE FEMALE BULLET CONNECTORS NEED PINCHED TIGHTER ADD CHAIN CARB EXHAUST ETC. PUT ON A KICKER AND CHECK FOR SPARK OH YA TURN ON THE KEY (: