Yamaha 25BMH 30HMH Factory Service Manual, Page 16Get this manual
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GEN INFO CHAPTER GENERAL INFORMATION IDENTIFICATION 1-1 SERIAL NUMBER 1-1 STARTING SERIAL NUMBERS 1-1 SAFETY WHILE WORKING 1-2 FIRE PREVENTION 1-2 VENTILATION 1-2 SELF-PROTECTION 1-2 OILS, GREASES AND