Joining Crankcase Halves; Installing Engine/Transmission - Arctic Cat Altera 300 Service Manual

Joining Crankcase Halves

1. Verify that the alignment pins and a new gasket are
in place and that both case halves are clean and
grease free. Place the right-side half onto the
left-side half.
2. Using a plastic mallet, lightly tap the case halves
together until cap screws can be installed.
3. From the right side, install the crankcase cap screws
noting the location of the different-sized cap screws;
then tighten only until snug.
 NOTE: Rotate the crankshaft back and forth to
ensure no binding or sticking occurs while tightening
the cap screws.
MD1008
4. From the left side, install the remaining crankcase
cap screws; then tighten only until snug.
 NOTE: Rotate the crankshaft back and forth to
ensure no binding or sticking occurs while tightening
the cap screws.
CC871
5. In a crisscross/case-to-case pattern, tighten the cap
screws until the halves are correctly joined; then
tighten to 8 ft-lb.
NOTE: Rotate the crankshaft back and forth to

ensure no binding or sticking occurs.
AT THIS POINT

After completing center crankcase components, pro-
ceed to Installing Right-Side Components, to Installing
Left-Side Components, and to Installing Top-Side Com-
ponents.
Installing
Engine/Transmission
1. Attach a suitable engine lift to the front engine
mounting boss; then lift the engine/transmission
assembly into the frame from the left side. The front
of the engine/transmission should go in first.
KM331
2. Lifting the front of the engine/transmission, move
the assembly forward sufficiently to clear the rear
engine mounts; then engage the secondary bevel
driveshaft into the universal joint splines.
KM328
3. Slide the engine/transmission rearward into the rear
engine mounts; then install the rear through-bolts
and nuts. Do not tighten at this time.
4. Remove the engine lift from the front engine mount-
ing boss; then install the engine mounting brackets to
the frame. Finger tighten only.
KM414
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