If you own a Ski-Doo Formula Mach I 1989, you need the Ski-Doo Formula Mach I 1989 Service & Repair Manual. This manual is your number one source for repair and service information, specifically written for the do-it-yourself as well as the experienced mechanics worldwide. With hundreds of pages, it will show you how to distinguish any problem (from an oil change to a transmission swap) and how to fix it on your own. It contains detailed illustrations as well as step by step written instructions with the necessary diagrams or pictures. This manual is an inexpensive way to keep your Ski-Doo Formula Mach I 1989 running properly. After purchasing this manual, you will receive a file providing you with an email to contact. You will then receive a reply with a link to visit to the manual for your Ski-Doo Formula Mach I 1989. With this manual, you can be sure that you are getting all the information you need to keep your Ski-Doo Formula Mach I 1989 running at its best. We also guarantee excellent customer service, so you can be sure that you will get the help you need if you have any questions or concerns.