1978 Johnson 175, 200, 235 HP Outboard Service Repair Manual P/N JM-7810, Page 16Get this manual
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ENGINE FUEL AND LUBRICANT IMPORT ANT: etc The use of
operate
automotive engine
LUBRICANTUse Johnson Outboard 50:1 lubricant which is BIA certified fo!' se1'vice TC-W (two cycl