2006 Arctic Cat Y-6/Y-12 50cc and 90cc Service Manual, Page 43Get this manual

2006 Arctic Cat Y-6/Y-12 50cc and 90cc Service Manual, Page 43

Assembling EngineTransmission 1Install the left-side crankcase seal with seal driver or socketCarefully drive the seal to the edge of the crankcaseApply grease around the oil seal lip2Clean the contact surface of the crankcase between the right-side half and left-side halfPlace the timing chain into the left-side crankcaseApply engine oil to the slot in the big end of the connecting rod and to both crankshaft bearings; then install the crankshaft into the right-side halfDSC02214

4Install new gasket and two dowel pins on the left-side crankcase half
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