1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 85Get this manual
LUBRICATION, MAINTENANCE AND TUNE-UP
Chaincase Oil
Oil in the chain housing lubricates the chain and sprocketsTransmission Lube (part No0636-817) is available from Arctic Cat dealersDifferent types or brands will often vary slightly in their composition and mixture of the two may not lubricate as well as either aloneAlways try to use one type and brand of oil