Arctic Cat 1000 XT 2014 Service Manual page 49

3. Push the valve from side to side; then from top to bottom.
4. Maximum "wobble" deflection must not exceed spec-
ifications.
Measuring Valve Guide
(Inside Diameter)
1. Insert a suitable bore gauge 1/2 way into each valve
guide bore and record the measurement.
2. Acceptable inside diameter range must be within
specifications.
3. If a valve guide is out of tolerance, it must be
replaced.
Servicing Valves/Valve Guides/Valve
Seats
If valves, valve guides, or valve seats require servicing or
replacement, Arctic Cat recommends the components be
taken to a qualified machine shop for servicing.
CAUTION
If valves are discolored or pitted or if the seating sur-
face is worn, the valve must be replaced. Do not attempt
to grind the valves or severe engine damage may occur.
Measuring Rocker Arm
(Inside Diameter)
1. Using a dial calipers, measure the inside diameter of
the rocker arm.
2. Acceptable inside diameter range must be within
specifications.
Measuring Rocker Arm Shaft
(Outside Diameter)
1. Using a micrometer, measure the outside diameter of
the rocker arm shaft.
2. Acceptable outside diameter must be at or above spec-
ifications.
Installing Valves
1. Apply grease to the inside surface of the valve seals;
then place a lower spring seat and valve guide seal
over each valve guide.
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2. Insert each valve into its original location.
3. Install the valve springs with the painted end of the
spring facing away from the cylinder head.

NOTE: If the paint is not visible, install the ends of the
springs with the closest wound coils toward the head.
4. Place a spring retainer over the valve springs; then
using the valve spring compressor, compress the valve
springs and install the valve cotters.
PISTON ASSEMBLY

NOTE: Whenever a piston or pin is out of tolerance,
it must be replaced.
Removing Piston Rings
1. Starting with the top ring, slide one end of the ring out
of the ring-groove.
2. Remove each ring by working it toward the dome of
the piston while rotating it out of the groove.
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ATV-1011A
CC400D
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