1983 Yamaha 30EN Outboards Service Manual, Page 72Get this manual
dPlace the washer in the groove (in the cylinder) located under the lower bearing 6Crankcase aPiace the crankcase on the cylinder body, and tighten the bolts
NOTE: Apply Yamaha Bond No4 to both mating surfaces of the crankcase and cylinder body
eDrive two dowel pins into the mating surface of the cylinder body with the crankcaseTightening sequence and torqueTightening torque 1ststep 15Nm(1.5mkg,11ft lb) 2nd step 27 Nm (2.7 kg, 19 fHb)