Yamaha 25BMH 30HMH Factory Service Manual, Page 200Get this manual
POWR RECOIL STARTER
6Install: Friction plate 1
Collar Friction spring 3
7 Install: Friction plate (with friction spring etc Center bolt Nut Center bolt 15 (1.5 kgf m, 11 ft lb) Nut 10 (1.0 kgf m, ft lb) .4