Joyner JNSZ1100SVB Owner's Manual page 62

3.1.1. Fix the two φ6 holes of the camshaft gear S/A.
3.1.2. Turn the slave gear to the right, match the mark
hole on the slave gear with the mark on the
master gear, or align the marks on the slave
gear with the mark on the master gear; then fix
the slave gear with bolt.(Thread: M5; pitch: 0.8)
3.2. When no using a special tool
Screw bolt m6 as the right figure, and then
insert a screwdriver between the bolt m6
and camshaft, and rotate driven-gear right
to match the mark on both of gears, or
keep the gear-top of 2 gears consistent,
and then fix driven-gear with bolt(M5 ×
0.8).
Attention: Do not damage the surface of
the camshaft.
3.3. Installation of the camshaft
Attention: Size of the axial clearance of
the camshaft
3.3.1. Smear lubricating oil at the
camshaft gear section and the
cylinder cover axial diameter
section.
3.3.2. Fix the camshaft slave gear by
roughly adjusting on the cylinder
cover.
3.3.3. Install camshaft, the timing mark
must be aligned shown as the right
figure.
3.3.4. Smear lubricating oil on the
camshaft assembly, the gears and
the cylinder head axial diameter
section.
3.4. Tighten the camshaft-bearing cap
shown as right figure.
3.5. Remove the bolt for fixing the slave
gear of the camshaft assembly.
Fixer
Bolt
Timing mark
Air outlet camshaft gear
Fixer
Air inlet camshaft gear