Arctic Cat DVX 250 2007, Руководство по обслуживанию

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3-43
3
KM253
KM368
7. Install the alignment pins and a new gasket on
the crankcase; then install the V-belt cover and
secure with the cap screws.
D. Recoil Starter (Utility Model)
„
NOTE: Steps 1-7 in the preceding sub-section
must precede this procedure.
8. Install the recoil starter and secure with the cap
screws. Tighten securely.
Installing Top-Side
Components
A. Piston
B. Cylinder
„
NOTE: If the piston rings were removed, install
them in this sequence.
A. Install ring expander (4) in the bottom groove
of the piston; then install the thin oil rings (3)
over the expander making sure the expander
ends do not overlap. Stagger the end gaps of
the upper and lower thin oil rings according
to the illustration.
ATV-1085B
„
NOTE: Note the direction of the exhaust side of
the piston (5) for correct ring end gap orientation.
B. Install the compression rings (1 and 2) so the
letter on the top surface of each ring faces the
dome of the piston. Rotate the rings until the
ring end gaps are on directly opposite sides of
the piston according to the illustration.
MD1343
1. Install the piston on the connecting rod making
sure there is a circlip on each side and the open
end of the circlip is directed upwards or down-
wards.
„
NOTE: The piston should be installed so the IN
mark is toward the intake (rear) side of the cylinder.
2. Place the two alignment pins into position. Place
the cylinder gasket into position; then place a
piston holder (or suitable substitute) beneath the
piston skirt and square the piston in respect to
the crankcase.
! CAUTION
Incorrect installation of the piston rings will result in
engine damage.
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