I just finished cleaning the head and water jackets on my 1998 Yamaha 115. On the water jacket, it's stamped to torque at 0.8 KG and the head is stamped to torque at 3.0 KG. Looking at the manual, the water jacket says to torque at 8NM or 70 in-lb. and the manual says to torque the head at 30 NM...