Honda BF115A, BF130A Outboard Motors Shop Manual., Page 79Get this manual
4) Install new timing belt on the timing belt drive pulley and on the timing belt driven pulley in this orderTake care not to allow the alignment marks to come out of alignment 5) After installation, be sure that the alignment marks are in proper alignment
6) Remove oil and grease from the timing belt drive pulley and
the balancer belt drive pulley, clean them and check the oil application points on these parts (I? 6-4)
111 BALANCER BELTDRIVE PULLEY-
7) Install the balancer belt drive pulley and install the engine
hanger (I? 6-10)
oosen the adjusting nut 8) Remove the 10 bolt 213 to turn (Leas loose as each tensioner is moved by the spring force)Retighten the adjusting nutEach tensioner is the automatic adjustment typeDo not push the tensioners against the belt with hand