2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 166Get this manual

2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 166

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FSFST Engine CrankcaseCrank TrainPiston Assembly
9 Lubricate each bearing journal with engine oil10 Install new set of balance shaft bearings into the crankcaseLubricate bearings with engine oil