1998 Yamaha 25J, 30D, 25X, 30X outboards Factory Service Manual, Page 63Get this manual

OIL INJECTION
E41000-0

REMOVAL
1Drain th oil fro th oil-ta nk and re th carb uretor2Disco ect th oses and re th oil-injectio syste m
E42000-0

• ATV
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• Outboard Motors
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