1971-1973 Arctic Cat Snowmobiles Factory Service Manual, Page 40Get this manual

1971-1973 Arctic Cat Snowmobiles Factory Service Manual, Page 40

ENGINE SERVICING (TVVIN CYLINDER) surfaceCAUTION: Do not scratch or damage any surface area that must be sealedAn improper seal may cause engine damage2
Position the upper half of the crankcase upside down on the cylinder studs and apply locktite to the center seal area of the crankcaseNOTE: Remove and discard the two (2) half-washers shown below

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