2007 Polaris Two Stroke Snowmobile Workshop Repair manual, Page 110Get this manual
ENGINE Cylinder HeadHead Components
Bleed Screw
Spark Plugs
8Thermostat
If engine coolant spilled into the cylinder(s), wipe each cylinder dry with clean shop rag or paper towelIf unsure how much coolant spilled into cylinders and crankcase, locate the two crankcase drain screws located on the front, lower crankcase halve600700 CFI drains are located on the bottom of the crankcase and the engine would have to be removedRemove each screw to allow the coolant to drain out of the engine
Cylinder Head Assembly
1Cylinder head assembly is the reverse of disassembly with the addition of these notes: Always use new o-rings Inspect the cylinder bores, combustion chamber domes, piston faces and head cooling passages for damage or foreign materialResolve any issues prior to reassembly Follow the cylinder head torque specifications and torque sequence illustrations found at beginning of chapter