Here we have up for Sale a used with soiling and smudges, cover wear, insides are fine 1979 YAMAHA SNOWMOBILE SUPPLEMENTARY SERVICE MANUAL FOR THE  ET250C  MODELS. About 10 pages. LIT-12618-00-14. Loaded with tons of useful information for any owner of one of these sleds and prepared to introduce new service and new data for these models !! Use this supplementary manual with the corresponding service manuals.
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