1991-1993 Yamaha Exciter II-570 Service Manual, Page 388Get this manual

1991-1993 Yamaha Exciter II-570 Service Manual, Page 388

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_ E_LE_C_T_R_IC_A_L_S_TA_R_T_IN_G SV_S_T_E M2
Inspection 1 Inspect: Commutator (outer surface) DirtyClean with #600 grit sandpaper CDHold the armature in vise and copper or aluminium plate