Joyner JNSZ1100SV Owner's Manual page 58

4.4.3.2. Use a caliper to measure and
adjust the thickness of the
separation cushion.
4.4.3.3. Select proper separation cushion
on the basis of the throttle
thrusting rod benchmark values.
(1). IN
Selected cushion thickness = removed
cushion thickness + (measured throttle
spacing – 0.18mm)
(2). EX
Selected cushion thickness = removed
cushion thickness +(measured throttle
spacing –0.25mm)
[Reference] there are 32 kinds of shim's
thickness Shown as the illustration
2.18 2.40
2.20 2.42
2.22 2.44
2.24 2.46
2.26 2.48
2.28 2.50
2.30 2.52
2.36 2.58
2.32 2.54
2.38 2.6
4.4.3.4. Use the selected adjusting gasket
to adjust the throttle clearance.
Attention Install the feeler with the
identification mark facing downwards.
4.4.3.5. Rotate camshaft to make cam-top
downwards, and the throttle to be
pressed down, and then take
special tool out
4.4.3.6. Rotate camshaft 2-3 round, and
then recheck the valve clearance,
if valve clearance can't get to the
standard, repeat4.1-4.4 to adjust
the valve clearance.
2.62
2.64
2.66
2.68
2.70
2.72
2.74
2.80
2.76
Underside