Polaris msx 110 Service Manual page 79

ENGINE DISASSEMBLY / ASSEMBLY
Engine Disassembly Process
11. Photo of front of engine. Remove the starter motor
drive gear assembly (A) and oil pump drive gear (B).
(Photo J)
NOTE: The balance shaft gear (C) is removed by us-
ing tool: PN PW- -46982 and PW- -46989. Gear remov-
al is not required. Only remove if damaged or re-
placement of balance shaft is required.
12. Remove lock pin and rotate engine 180_. Remove the
sump cover. (Photo K)
NOTE: The sump oil pump is attached to the inside
of the sump cover.
13. Install crankshaft hand crank, PN PW--46981 into nose
of crankshaft. Tighten lock nut against crankshaft.
14. The high pressure oil pump is located on the PTO side
of the engine. It is connected to the balance shaft.
Remove the snap ring from the high pressure oil pump
cover. Carefully extract the cap, outer and inner rotors,
timing key and timing rotor from engine. (Illustration 1)
4.24
A
B
TIMING ROTOR
O RINGS
INNER / OUTER ROTORS
2004 Four Stroke PWC Service Manual
C
PHOTO J
PHOTO K
SNAP RING
CAP
ILLUSTRATION 1