Yamaha 115-225 HP Outboards Service Manual, Page 238Get this manual
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CHAPTER TROUBLESHOOTING
HOW TO TROUBLE-SHOOT 9-1
ENGINE WILL NOT START 9-2 ROUGH IDLING 9-8 ENGINE STALLS 9-9 ENGINE WILL NOT STOP 9-10 POWER TRIM AN TILT SYSTEM 9-11 GEAR SHIFT IS