Polaris INDY TRAIL RMK Service Manual page 106

Assembly, Cont.
4. If studs were removed or new crankcase installed,
apply Loctiteä 242 to threads of studs and screw in
until bottomed. Tighten securely.
5. Measure installed length of stud bolt. This is the
length necessary to allow cylinder installation.
Lower Crankcase Stud Height
121-124 mm (4.76-4.88²) from crankshaft
parting line.
6. Install crankcase halves together. Torque bottom
crankcase bolt to specification in the proper
sequence found in the beginning of this chapter.
7. Install new O-rings on water manifold. Grease
O-rings and install manifold.
8. Install pistons and rings. Make sure C-clips are
firmly seated in grooves. NOTE: Keystone ring
bevel must be up. Marking near ring end gap faces
upward.
ENGINES
Replace O-rings
Up
Straight Edge
Piston Ring Cutaway
Keystone Piston Ring
3.43