1985 Honda Odyssey 350 FL350R Shop Manual, Page 79Get this manual
BALANCER GEARCRANKSHAFT Install the lock washer and nut onto the drive gear, hold the driven gear using the universal holder and tighten the special bolt
TORQUE: 40-50 Nm (4.0-5.0 kg-m, 29-36 ft-Ib)
Tighten the drive gear nut using the lock nut wrench
TORQUE: 70-90 Nm (7.0-9.0 kg-m, 51-65 ft-Ib)
(4) WRENCH SET, 41 mm 079169580300 OR LOCK NUT WRENCH ATTACHMENT, 07916-958010A (3) UNIVERSAL HOLDER