CHAPTER
FOUR
der bore is worn. Because the cylinder bores
are hard-surfaced,
is
not
possible.
I f the cylinder bore is excessively worn,
therreplace the cylinder or machine it to ac-
cept a cast iron liner. Only
qualified
machinist familiar
with these products, the
required
and high performance snow-
mobile application should perform
tion o f a
Piston Installation
1. Before assembly, perform the inspection procedures to
make sure all worn or defective parts have been cleaned or
replaced. Clean all parts thoroughly before installation or
assembly.
2.
Lubricate the piston pin needle bearing with oil and in-
stall it in the connecting rod.
3.
Lubricate the piston pin with oil and install it into one
side of the piston.
NOTE
I f the original pistons are being reinstalled
they should have been marked to indicate
their original cylinder location
MAG
or
and
the direction
the exhaust
port. The manufacturer mark (arrow) cast
into the piston should point to the exhaust
port as described
in Step 4.
4.
Place the piston over the connecting rod with the arrow
cast in the top of the piston (Figure 40) pointing toward
the front (exhaust side) of the engine. This is essential so
the ends of the piston rings are correctly positioned
and do
not catch in the ports. Align the piston pin with the bearing
and push the pin into the piston until it is even with the pis-
ton pin clip grooves.
CAUTION
I f the piston pin does not slide in the piston
smoothly with handpressure, use a tool de-
scribed during
Piston
Removal to install the
piston pin
(Figure 26). The pipe is not used
when installing the pin. Instead, insert the
threaded rod through the piston pin, pin
bearing, connecting rod
Place a
small washer
and nut
on the threaded rod at
the end, which extends
from the piston pin.
Slide a large washer onto the opposite end
Summary of Contents for MM600D
Page 5: ......
Page 6: ......
Page 104: ...98 CHAPTER FOUR ENGINE MOUNTS ...
Page 137: ...FUEL AND EXHAUSTSYSTEMS 131 ...
Page 144: ...138 CHAPTER FIVE CARBURETOR HEATER SYSTEM Carburetorheater control valve ...
Page 211: ...BRAKES 205 Wear limit ...
Page 226: ...220 CHAPTER TWELVE ...
Page 228: ...222 CHAPTER TWELVE ...
Page 229: ...CHAINCASE JACKSHAFTAND FRONT AXLE 223 ...
Page 230: ...224 CHAPTER TWELVE ...
Page 254: ...248 CHAPTER THIRTEEN FORWARD Negative Positive O0Camber Angle finder ...
Page 277: ...1 Wiring Diagrams ...
Page 282: ...NOTES ...