BOLTS RIGHT IN ALL ATC70'S AND MANY OTHER HONDA'S FOR THAT MATTER. ATC70_&_OTHERS DREAM_ENGINE IN_STOCK_NOW!!! 120cc_4_DOWN AUTO_CLUTCH ELECTRIC_START BOTTOM_STARTER 120CC-4A-T-E-BOTTOM$329.95FRONT_SPROCKET_CHAIN_TYPE: 428420_291N FAQ for 120cc electric start swap into an ATC70 click here * ATC70 HEART TRANSPLANT CHECK_LIST INCLUDED PARTS RIGHT SIDE THE_CDI_UNIT DOES_NOT_!! CONNECT DIRECTLY_TO THE_STATOR !!!!! (SEE_PICTURE) 4_DOWN OUR LIFAN ENGINE MOUNT DIMENSIONS CUSTOM & ENGINE SWAP PARTS HOW_MUCH TALLER/LONGER WILL_MY_NEW LIFAN_ENGINE BE ?