Joyner TROOPER T2, Owner'S Manual, Page: 78 / 205

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3.4.3.2. Installation of IN and EX
3.4.3.2.1. Assembling of valve springs
Attention
It is for you to distinguish the
different suppliers by means of paintings on
the valve spring, valve spring of same
engine should have the same identification
paint marking.
3.4.3.3.
Install the locking blocks for the
valve spring stands.
Warning
·Protective eye glasses must be worn in the
process of this operation to protect the eyes.
·Beware of the flying spring and other
objects
Upon completion of the installation of the
throttle springs and throttle spring stands,
use special tools to install the locking blocks
for the throttle spring stands.
3.4.3.4. Installation of the throttle thrusting
rod and throttle spacing by adjusting
the separation cushions
3.4.3.5.
Install the cylinder cover base, make
identification of the marks for the
front and rear directions.
3.4.4. Assembling of dustproof sealing strip and
cylinder cover
3.4.4.1. Apply lubricating oil at the threads and
grooves of the bolts.
3.4.4.2. The tightening of the cylinder bolts
should follow the sequence as shown in
the right figure. The tightening is to be
carried out in 2—3 operations till the
torque meets the specifications. The
torque for the first tightening operation is
30±2N.m; the torque for the second
tightening operation is 50±3N.m; and the