1998 Yamaha 25J, 30D, 25X, 30X outboards Factory Service Manual, Page 42Get this manual
INSP ADJ
PERIODIC SERVICE
E 2Re th oil-p link-ro d, and fix th oil-p le er in th full-throttle ositio n3M asure th oil disch arg fro ach ort for thre in utes, usin asurin cylin er gra ate in ste ps at le ast of 0.1 cc to co nfir th at th sp ecifie nt is disch arg eSpecified discharge: (each port) 0.7 0.3 cm3 (0.025 0.011 Imp oz, 0.024 0.010 US oz) NOTE: asurin ith th asurin cylin er, nsure th at oil clin gs to th cylin er all, for oth er ise th asure nt ill in accurateU se nly uin oil, for if th viscosity is to hig or to loth asure nt of th disch arg ill in accurateT lo er th ti er hich asurem nt is e, th ore accurate ill th asure ntC alculate th rate of disch arg er in ute