3
9928487 R01 - 2018 RANGER XP 1000 Service Manual
© Copyright Polaris Industries Inc.
3.29
ENGINE DISASSEMBLY / INSPECTION - TOP END
VALVE COVER REMOVAL
NOTE
The valve cover can be removed with the engine
installed in the chassis.
1. Remove the four valve cover shoulder bolts
q
and
isolators
w
using a T40 driver.
2. Replace isolators
w
when they are removed and
replace valve cover seal
e
if oil leaks are evident.
3. Remove the spark plugs
r
. Stuff spark plug holes
with shop towels to prevent anything from falling into
the combustion chamber.
CAMSHAFT REMOVAL
NOTE
The camshafts can be removed with the engine
installed in the chassis.
1. Rotate the engine so the PTO cylinder is at Top Dead
Center (TDC) to relieve most of the valve spring
pressure. The camshaft lobes should face out
q
and
the slots on the end of the camshafts should line up.
2. Remove the cam chain tensioner
w
from the cylinder.
Replace the sealing washer or gasket
e
upon
reassembly.
3. Remove the two bolts retaining the fixed cam chain
guide
r
and remove the assembly from the engine.
4. Remove the remaining two bolts that retain the front
camshaft carrier
t
and carefully lift the carrier off the
camshafts.
ENGINE / COOLING / EXHAUST