Joyner JNSZ1100SV Owner's Manual page 85

5.4. Assemble the piston connecting rod
Ay, connecting rod bush and
connecting rod bearing cover
according to the following
instructions.
5.4.1. The openings of the air ring and oil
ring should match the specified
direction.
5.4.2. Use nylon sleeves for the bolts of
the connecting rod to prevent from
scraping the cylinder hole and axial
diameter
Apply lubricating oil to the piston,
5.4.3.
the connecting rod and the surfaces
of the other related moving parts.
5.4.4. Make sure the frontward indication
mark on the piston. Should be
frontward and assemble the piston
connecting rod Ay with SST.
Attention The cylinder number on the
piston connecting rod should be identical
to the cylinder number.
5.4.5. Assemble the connecting rod
bearing cover and bush according
to the following instructions.
5.4.5.1. Smear a little lubricating oil on the
bolt and screw nut stand before
they are mounted according to the
indication mark.
5.4.5.2. Tighten the left and right screw
nuts alternately for a couple of
times with the specified torque.
[Torque]： 40±2N.m
Attention The connecting rod and the rod
bush should be bought from the same
supplier