1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 15Get this manual
GENERAL INFORMATION
partIt is frequently possible to perform the preliminary operations yourself and then take the defective unit to the dealer for repair at considerable savings13If special tools are required, make arrangements to get them before you startIt is frustrating and time-consuming to get partly into job and then be unable to complete it14Make diagrams (take video or Polaroid picture) wherever similar-appearing parts are found or parts must be installed in certain order or locationFor instance, crankcase bolts may have differing lengthsA faulty memory can result in costly mistakesLaying out parts in their proper order is good practice, but if the parts are disturbed the exercise is waste of time15When assembling parts, be sure all shims and washers are replaced exactly as they came out16Whenever rotating part butts against stationary part, look for shim or washerUse new gaskets if there is any doubt about the condition of the old onesA thin coat of silicone sealant on non-pressure type gaskets may help them seal more effectively17If it is necessary to make cover gasket and you do not have suitable old gasket to use as guide, you can use the outline of the cover and gasket material to make new gasketApply engine oil to the cover gasket surfaceThen place the cover on the new gasket material and apply