2000 Polaris Virage TX, SLX, Pro 1200, Genesis, Genesis FFI Personal Watercraft Service Manual, Page 135Get this manual
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ENGINE DisassemblyInspectionPolaris Engines
Crankshaft Main Bearing Inspection
1 Clean crankshaft thoroughly and oil main and connecting rod bearings with Polaris Premium cycle engine oilCarefully check each main bearing on the shaft
NOTE: Due to extremely close tolerances, the bearings must be inspected visually, and by feelLook for signs of discoloration, scoring or gallingTurn the outer race of each bearingThe bearings should turn smoothly and quietlyThe inner race of each bearing should fit tightly on the crankshaftThe outer race should be firm with minimal side to side movement and no detectable up and down movementReplace any loose or rough bearings
Connecting Rod (Big End) Side Clearance
1 Measure connecting rod big end side clearance with feeler gaugeCompare to specifications
Connecting Rod (Big End) Radial Clearance