hi there !!
first of all , hold your bike straigh line ,,,
loosen the others two bolts a little bit , and place a jack under the engine , raise the jack
slowly and at the same time use a thin screwdriver in one hole (left or right side) for to use like a guide , while screw the other bolt in place and then the second bolt , tightening the four bolts later. note: a little grease can help.