Joyner TROOPER T2, Owner'S Manual, Page: 75 / 205

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spring if it fails to meet the specifications.
[Limit]
1.2mm
3.2.2. Measure the free state of spring
[Benchmark value] 37mm
3.3.
Routine checks on throttles
3.3.1. Check to see if there are some
deformations, obvious tears and wears
Check list on valve Unit: mm
3.3.2. Checks on the clearance between the
throttle guiding pipe and throttle thrusting
rod .
3.3.2.1. Use a dial gauge to measure the inner
diameter of the throttle-guiding pipe, and
use a caliper to measure the outer
diameter.
3.3.2.2. Work out the differences of the
measured values. If it is above the
specified limits, the throttle or the guiding
pipe must be replaced.
Attention
The measurement points are shown
as the figure. Work out the clearance of the final
torn and worn section
3.3.3. Replacement of valve guide
3.3.3.1. Heat the cylinder cover to 80—100
degrees C with hot water
item standard limit
wide
IN 0.85
～
1.41 —
EX 1.07
～
1.36 —
Width of valve top
IN 1.0
±
0.2 0.75
EX 1.0
±
0.2 0.75
item standard limit
Valve guide
Inside diameter(mm)
φ
5.0 —
Valve stem outside
diameter (mm)
φ
5.0 —
Spacing
(mm)
IN
0.056
～
0.020mm
0.07
EX
0.066
～
0.030mm
0.08