CF MOTO ZForce 950EX - Timing Chain Tensioner

05-101
05 Engine
Cylinder Taper
Measure cylinder body inner diameter.
Replace cylinder body and piston rings if it
beyond service limit.
Measure cylinder inner diameter at 3
recommended positions.
1 First diameter measuring position
2 Second diameter measuring position
3 Third diameter measuring position
A 6 mm (0.2362 in)
B 43 mm (1.6930 in)
C 116 mm (4.5670 in)
Cylinder taper (diameter di󰀨erence)
New (Max.) 0.038 mm (0.0015 in)
Service limit 0.090 mm (0.0035 in)
Di󰀨erence between measurements should
not exceed the service limit mentioned
above.
Cylinder Body Roundness
Measure cylinder diameter in piston axis
direction from top of cylinder
1
. Take
another measurement from the angle of
90°
2
and compare with the rst one.
NOTE: Take the same measuring points
described in Cylinder Taper above.
Cylinder body roundness (diameter
di󰀨erence)
New (Max.) 0.015 mm (0.0006 in)
Service limit 0.020 mm (0.0008 in)
5.5.6 Timing Chain Tensioner
Remove screw
1
.
Remove o-ring
2
.
Inspect tensioner for damage and
abnormal work. Replace if necessary.
Inspection method:
1. Rotate adjusting screw clockwise
with screw driver through hole
3
. And
compress the tensioner arm
4
to the end
with hand.
2. Loosen screw driver and tensioner arm
4
slowly. Make sure it returns gently.
Replace if not.
Inspect tensioner arm
4
for abnormal
function or scratches. Replace if it does.
Replace with new gasket
5
during
installation.
1
A
B
C
2
3
123
45
1
2
055701
055702
055703
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Reproduction or duplication in any form, whole or in part, is strictly prohbited.