2005 Ski-Doo Racing Handbook, Page 213Get this manual
SECTION 05ENGINE PREPARATION
RAVE VALVE BASIC OPERATION Maintenance
All Models There are no wear parts anywhere in the system and there are no adjustments to be periodically checkedThe only possible maintenance required would be cleaning of carbon deposits from the guillotine slideCleaning intervals would depend upon the user's riding style and the quality of the oil usedBombardier suggests annual cleaning of the valveIf customer uses lower quality oil, than recommended, more frequent cleaning may be requiredNo special solvents or cleaners are required when cleaning the valveNOTE: Make sure hoses are not kinked or damaged
A32C96A
TYPICAL 1Cover 2Retaining screws