Crankshaft Inspection - Suzuki RM250 Owner's Service Manual

10-8 TRANSMISSION AND CRANKSHAFT

CRANKSHAFT INSPECTION

• Measure the conrod small end inside diameter with the small
bore gauge.
 Conrod small end I.D.
Service Limit: 23.040 mm (0.907 in)
 09900-20605: Dial calipers (10 – 34 mm)
• Measure the conrod deflection with the special tools.
 Conrod deflection
Service Limit: 3.0 mm (0.12 in)
 09900-20607: Dial gauge (1/100 mm)
09900-20701: Magnetic stand
09900-21304: V-block
• Measure the conrod big end side clearance with the thickness
gauge.
 Conrod big end side clearance
Service Limit: 1.0 mm (0.04 in)
 09900-20803: Thickness gauge
• Measure the crankshaft runout with V-blocks and dial gauge.
 Crankshaft runout
Service Limit: 0.05 mm (0.002 in)
 09900-20607: Dial gauge (1/100 mm)
09900-20701: Magnetic stand
09900-21304: V-block
NOTE:
* Place the crankshaft onto the V-blocks so that it becomes hor-
izontally.
* Measure the runout from the tips of the crankshaft.