Cylinder Head Cover; Rocker Arm Assembly - Polaris 1999 Sportsman 400 Service Manual

E NGINE TOP END
99
II
3. Inspec t the exhaust pipe heat shield (A, Figure
13) and spring brackets (B, Figure 13) for cracks or
other damage.
4. Inspe ct the muffl er mounting bracket (A, Figure
14) and spring brackets (B, Figure 14) for crack s or
other damage.
5. Inspect the muffl er mountin g brackets on the
frame. Refer
10
Figure 15 and Figu re 16. Check for
crack s or other damage
10
the rubber cushions . Re-
plac e as necessary.
6. Inspect the muffl er for rust and dama ge.
C YLIN DE R IIEAD CO VER
Remnval /Installatto n
I. P lace the ATV on a level surface and set the
parking brake. Block the whee ls to keep it from roil -
ing in either direction.
2. Rem ove the scat and front fender as desc ribed in
Chapter Fiftee n.
3. Remo ve the fuel tank as described in Chapter Six .
4. Remove the screws securing the cylinder head
cover (F igure 17), then remo ve the cover and gaske t.
5. Insta ll by reversing these removal steps. Install a
new gasket (Figure 18) and tighten the screws se-
curely.
RO CK ER ARM ASS EMB LY
Removal
I. Remo ve the cy linder head cover as described in
this chapter.
2. Disconnect the negative battery cable as de-
scribed in Chapter Three. Secure the cable so
it
will