2007 Arctic Cat Four-Stroke Factory Service Manual, Page 170Get this manual
10Install the exhaust pipe and secure with the five exhaust springs11Connect the air inlet hose to the turbo and to the air silencerSecure with the two clamps12Start the engine and allow the engine to idle for at least two minutes before increasing RPM to allow for proper lubrication of the turbo shaft and bearings13After running the engine with the coolant tank on and tight, open the bleed screw on the water tank slightly to allow trapped air to escapeContinue until no air is apparent; then tighten the bleed screw
KEY 1Timing Chain CoverOil Pump Assy 2Rotor Set 3Screw 4Valve Set 5Circlip 6Oil Gallery Filter 7Bolt 8Plug 9Bolt 10Bolt 11Bolt 12Dowel Pin 13Oil Pressure Switch
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2With the timing cover removed from the engine, place the timing cover on flat surface; then using #2 Phillips-head socket and hand impact driver, remove the oil pump cover from the timing cover