1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 18Get this manual

1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 18

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Periodic maintenance Initial Item Fuel tank Fuel line (Fuel tankl Fuel filter Fuel line (Motod Carburetor Spark plug(sl Cylinder head Ignition timing Ignition and throttle synchromechan ism Throttle m