4. Maintenance
USE AND MAINTENANCE MANUAL
CHAPTER 4
MAINTENANCE
XEF 250 - Rev01 / 2020
74
C
3
1
2
3
A
UP
4
3
1
2
Installation
– Install in the lower piston housing: scraper ringband
expander “1”, lower scraper ring band light “2”, scraper ring
band light “3”;
– Install segment “4” in the upper housing of the piston;
Make sure to install the segment so that the reference,
or manufacturer’s numbers, are facing upwards.
– Lubricate piston “1” and pin “2” then install them on the
connecting rod. Make sure that the piston reference “A” is
facing the exhaust (rear side of the vehicle).
– Install seeger “3” in the relative housings on the piston;
Make sure that the end of the seeger “C” is not near
the notches in the piston.
– Install the centering pins, gasket and cylinder previously
lubricated with engine oil;
– Install the cylinder bolt on the timing chain side;
Cylinder bolt: 10 Nm (1.0 m•kg, 7.4 ft•lb)
While compressing the piston rings with one hand,
install the cylinder with the other hand.
– Pass the timing chain and its slider (exhaust side) through
the timing chain housing.
