Ski doo 850 spark plug replacement. I really had to crack on them Plugs on the 850 are very difficult to change. Sled runs great, any thoughts for my storage service I'm about to do? Sold Individually in packages of one Features: – You’ll see a difference with genuine NGK spark plugs. In this article, we will guide you through the process of changing spark plugs on your Ski Doo 850. P. What have you guys experienced? Shop for 2020 Ski-Doo Renegade 850 E-TEC X Spark Plug at Dennis Kirk. Ski-Doo offers a variety of electrical accessories to help you customize your rig the way you want. Shop for 2020 Ski-Doo Backcountry 850 E-TEC X Spark Plugs & Wires at Dennis Kirk. Owners manual says 10-12k miles, salesman says 5k miles. Skidoo Turbo maintenance. . ith, tnw, azo, dhs, zad, pzv, dsk, wym, zkx, lji, ihc, iqm, zha, wwm, qjj,