5.24
Engine Systems
9923396 - 2007-2012 EDGE/Widetrak LX Service Manual
©2011 Polaris Sales Inc.
Cylinder Assembly
Disassembly / Assembly Process
1.
Remove the carburetors, intake boots, exhaust
manifold, and blower housing from the engine
assembly. Discard all used gaskets.
2.
Remove cylinder head screws. Remove cylinder
head, then discard gasket. Note the orientation of the
head for use during assembly.
3.
Remove the cylinder base nuts. Lift the cylinder off of
the crankcase. Discard the cylinder base gasket.
4.
Remove reed valve cage and inspect for abnormal
wear and damage. Replace reed pedal and/or cage if
damage or wear is found.
5.
During assembly, the reed valve assembly is installed
under the cylinder base gasket. Install the base
gasket with the sealing strip facing upwards.
6.
Lubricate cylinder walls and piston with two-stroke
engine oil when installing each cylinder.
7.
Install head gasket with “EX” on the exhaust-side of
the engine and “UP” on the intake-side of the engine.
8.
Verify vibration dampener is installed between
cylinders before installing blower housing covers.
CYLINDER HEAD
CYLINDER HEAD GASKET
CYLINDER
EXHAUST GASKET
VIBRATION DAMPENER
CYLINDER BASE GASKET
SCREW CLAMP
INTAKE BOOT
REED / REED CAGE
ASSEMBLY
Fastener
Torque
Note
Cylinder Base Nut
25 - 29 ft.lbs.
(34 - 40 Nm)
Cylinder Head
Screws
17 - 20 ft.lbs.
(23 - 28 Nm)
Intake Boots
5 ft.lbs. (7 Nm)
