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80 PREPARATION FOR STORAGE PREPARATION FOR STORAGE Prior to storing the snowmobile, it must be properly serviced to pre- vent corrosion and component dete- rioration. An authorized Arctic Cat Snowmobile dealer should perform this service; however, the owner/ operator can perform this service if desired. This service is at the discre- tion and expense of the snowmobile owner. To prepare the snowmobile for storage, Arctic Cat recommends the following procedure: 1. Clean the seat cushion with a damp cloth and Arctic Cat Vinyl Protectant (p/n 0638- 313). 2. Clean the snowmobile thor- oughly by hosing dirt, oil, grass, and other foreign matter from the skid frame, tunnel, hood, and belly pan. Allow the snowmobile to dry thoroughly. DO NOT get water into any part of the engine. N OT E : O n 6 6 0 c c m o d e l s , change the engine oil and clean 3. Place the rear of the snowmo- bile up on a shielded safety stand. 4. On the “Laydown” engine mod- els, start the engine and allow to idle. With the engine idling, pry the intake boot forward; then spray Arctic Cat Engine Stor- age Preserver (p/n 0636-177) into the intakes until the engine exhaust starts to smoke heavily or until the engine starts to drop in RPM. Turn engine off. N OT E : O n t h e “ L a y d o w n ” engine models after step 4, pro- NOTE: On some standard mod- els, the air-intake silencer is a NOTE: On some standard mod- e l s , t h e a i r - i n t a k e s i l e n c e r 5. Open the air-intake silencer cover; then remove the Phillips- head screws securing the cover/ t o o l t r a y a s s e m b l y t o t h e silencer. 6. Close the cover; then tip the cover/tool tray assembly for- ward and out of its slots and remove the assembly. 7. Using a large flat-blade screw- driver, remove the baffle/reso- nator tabs from the air-intake silencer slots and remove the baffle/resonator to access the intake bores. NOTE: The baffle/resonator can b e r e m o v e d m o r e e a s i l y b y 8. Start the engine and allow to idle. With the engine idling, spray Arctic Cat Engine Stor- age Preserver (p/n 0636-177) into the intake(s) until the engine exhaust starts to smoke heavily or until the engine starts to drop in RPM. Turn engine off. NOTE: On some models, install the air-intake silencer boot(s); on |