Installing Top-Side Components - Arctic Cat 2014 400 ATV Service Manual


NOTE: With the weight extended, the unloader pin
should be flat-side out; with the weight retracted, the
unloader pin should be round-side out.
2. If damaged, the camshaft must be replaced.
Installing Top-Side
Components
A. Piston
B. Cylinder
1. Lubricate the piston pin, connecting rod, and piston
pin bore with motor oil; then install the piston on the
connecting rod making sure there is a circlip on each
side.

NOTE: The piston should be installed so the arrow
points towards the exhaust.
48
CF061A
2. Place the two alignment pins into position. Place a
new 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.
CF060A
3. Lubricate the inside wall of the cylinder; then using a
ring compressor or the fingers, compress the rings
and slide the cylinder over the piston. Route the cam
chain up through the cylinder cam chain housing;
then remove the piston holder and seat the cylinder
firmly on the crankcase.
The cylinder should slide on easily. Do not force the cyl-
inder or damage to the piston, rings, cylinder, or crank-
shaft assembly may occur.
4. Loosely install the two nuts securing the cylinder to
the right-side crankcase half.

NOTE: The two cylinder-to-crankcase nuts will be
tightened in step 9.
CAUTION
MD1213
MD1344
MD1345