Joyner TROOPER-T2 Owner's Manual page 86

3.3.4.2. Correction of valve base stand ring
Attention Signs of breaking or cracking
should not appear on the correction
surface. Take it out slowly after the
correction is completed.
3.3.4.3. Use a 45 degree cone as the
mating benchmark value.
3.3.4.4. Check the mating position of the
throttle. If it is in the center of the
valve, the position is the best one.
If not, proper corrections have to
be made.
3.3.4.5. Make conic cutting at the center of
the mating position with 70
degrees toward inwards and 30
degrees outwards.
Use polishing agent to grind and
3.3.4.6.
polish the throttle sealing.
3.4. Assemble of cylinder head
3.4.1. Cylinder head
Pay attention to the following instructions
in the process of assembling for the other
accessories on the cylinder cover.
3.4.2. Spark plug insulator 1 Put the spark
plug insulator in the corresponding
hole
on the cylinder head with special use
auxiliary tools, smear fluid sealant before
pressing, pressing height is shown as the
illustration:
Attention· Pay attention that the vertical
degree of its pressing depth and the
cylinder head top surface;
· The insulator should not be deformed
while being pressed; otherwise, it is easy
for the valve chamber cover cap to lea
Spark plug insulator
86