Description - Johnson SKEE-HORSE 25-201R Service Manual

9-2
Figure 9-1
Figure 9-2
Figure 9-3
DESCRIPTION
The snow machine is driven by a two-cycle, twin-opposed cylinder,
air-cooled engine
(see
Figure 9-1). This section gives instructions for
removal and overhaul of the engine. Principles of two-cycle engine op-
eration are discussed in Section 3. Trouble shooting procedures are
given in Section 4.
ENGINE REMOVAL
a. Remove shroud. Release two quarter turn wing fasteners and
remove belt guard.
Keep fingers from between halves .of secondary sheave when
removing belt. Movable half of sheave is spring loaded.
b. Spread the secondary sheaves by pulling the movable half of sheave
toward the steering column. Work belt over top of movable half
of sheave as shown in Figure 9-1.
c. Work belt between primary and secondary sheave. See Figure
9-2.
d. Disconnect neutral lockout cable from actuator arm and move
belt between actuator arm and primary sheave. See Figure 9-3.
e. Disconnect throttle cable at carburetor. Loosen jam nut and turn
out on throttle cable fitting. Pull cable through intake manifold.
See Figure 9-4.
f. Disconnect choke cable from choke lever arm at carburetor.
Loosen set screw then pull cable through projection on carburetor.
See Figure 9-4.
g. Remove two screws securing brake caliper to secondary. See
Figure 9-5.
h. Disconnect fuel lines and pulse line from fuel pump, carburetor
and fuel tank.
i. Remove shift handle from reverse operating rod.
j. Remove neutral lockout cable from bracket. See Figure 9-5.
k. Disconnect compression relief cable from compression relief
valve. See Figure 9-6.
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