1990-1998 Arctic Cat Service Manual covering the following models Prowler, Cougar, Panther 440, Panther 550, EXT 550, EXT 580, EXT 600, Z400, ZL440, ZR440, ZR580, ZR600, ZRT600, Powder Special and Powder Extreme. Because of their reliable design, relatively simple construction, and ease of repair; snowmobiles are the ideal machine for maintenance and repair at home. With proper care and routine maintenance, your snowmobile will provide many years of reliable use. When repairing a snowmobile, most home mechanics will find them easy to work with and repairs quick and trouble-free. Scheduled snowmobile maintenance should occur frequently. This routine maintenance should include changing the oil, inspecting the - steering - suspension - coolant system - fuel system - drive belts - engine mounts, and replacing the fuel and air filters. Having a quality service manual specific to your snowmobile will help you identify the parts of your snowmobile and assist you during routine maintenance and repair. Doing routine maintenance on your snowmobile at home provides many benefits. It is less expensive than having a snowmobile repair shop do the maintenance. It prolongs the life of your snowmobile. And, it provides you a better understanding of the working components of your snowmobile. Even with diligent routine maintenance, snowmobiles may require periodic repairs. In the event that you need to repair your snowmobile, it will likely be easier if you have been doing your own routine maintenance as you will be more familiar with the mechanics of your engine. Another asset that makes snowmobile engine repair easier, is access to service manuals and parts catalogues. Since you may already have a user manual that you've been using for routine maintenance, you need only assure that you have on hand a service manual for more in-depth maintenance that may be necessary. Your snowmobile will provide you with many years of service. Routine maintenance and periodic repairs at home will save you money and prolong the life of your snowmobile engine. 500 pages in english pdf format that enables you to print only what you need. Contents include GENERAL INFORMATION TROUBLESHOOTING LUBRICATION, MAINTENANCE AND TUNE-UP ADJUSTMENTS FOR SPECIAL USE ENGINE FUEL SYSTEM – CARBURETED MODELS FUEL SYSTEM – FUEL INJECTED MODELS EXHAUST SYSTEM ELECTRICAL SYSTEM OIL INJECTION SYSTEM COOLING SYSTEM RECOIL STARTER DRIVE SYSTEM BRAKE, DRIVEN SHAFT, DROPCASE AND DRIVESHAFT FRONT SUSPENSION AND STEERING TRACK AND REAR SUSPENSION OFF-SEASON STORAGE WIRING DIAGRAMS