11. CRANKCASE/CRANKSHAFT SUPER8 125 SERVICE INFORMATION.......................11-1 CRANKSHAFT....................................... 11-3 TROUBLESHOOTING .............................11-1 CRANKCASE ASSEMBLY................... 11-4 CRANKCASE SEPARATION ..................11-2 SERVICE INFORMATION GENERAL INSTRUCTIONS · This section covers crankcase separation to service the crankshaft. The engine must be removed for this operation. · The following parts must be removed before separating the crankcase. -Cylinder head ( Section 7) -Cylinder/piston ( Section 8) -Drive and driven pulleys ( Section 9) -A.C. generator ( Section 14) -Carburetor/air cleaner ( Section 5) -Rear wheel/rear shock absorber ( Section 13) -Starter motor ( Section 16) -Oil pump ( Section 4) SPECIFICATIONS Item Standard (mm) Service Limit (mm) Connecting rod big end side clearance 0.100.35 0.55 Crankshaft Connecting rod big end radial clearance 0-0.008 0.05 Runout 0.10 TORQUE VALUES Crankcase bolt 0.8~1.2kgf-m Cam chain tensioner slipper bolt 0.8~1.2kgf-m TROUBLESHOOTING Excessive engine noise · Excessive bearing play · Excessive crankpin bearing play 11-1