Fantic XE 125 - Page 126

4. Maintenance
USE AND MAINTENANCE MANUAL CHAPTER 4
MAINTENANCE2-Strokes - Edition 00 / 2023
125
4
7
b
b
3
1
32
3
a
2
3
4
1
3
3
1
2
3
2
a
1
b
– Install the exhaust valve shaft with its notch “b” aligned
with the thrust plate “7”. Then turn the shaft so that the
notch faces upwards.
– Install the main exhaust valve support “1” and its screw
“2”;
– Install the screws “3” of the secondary valve pulleys.
– Check that the exhaust valve assembly moves smoothly
and without jamming. If this is not the case, repeat the
assembly operations.
Tighten screw “2” of the main valve support before
screws “3” of the pulleys.
Main valve support screw:
4 Nm (0.4 m•kg, 3.0 ft•lb)
Secondary valve pulley screw:
4 Nm (0.4 m•kg, 3.0 ft•lb)
– Install new O-rings “1”;
– Install the secondary valve cover “2” on the right and left
sides;
– Tighten cover screws “3” to the specified torque.
– Install vent pipe “4” on the left cover.
Apply lithium soap-based grease to the O-rings.
Install the right secondary valve cover with the
projection “a” facing upwards.
Secondary valve cover screw:
4 Nm (0.4 m•kg, 3.0 ft•lb)
– Install a new gasket “1”;
– Install the cover “2” of the main exhaust valve;
– Tighten cover screws “3” to the specified torque.
Install the gasket with the “a” cut facing downwards
and the punched side of the gasket facing the cover.
Install the primary valve cover with arrow “b” facing
upwards:
Main valve cover screw:
4 Nm (0.4 m•kg, 3.0 ft•lb)