2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 436Get this manual
5C-12 Clutch: Special tool (A): 0990020102 (Vernier calipers (120 mm, 200 mm)) Clutch drive plate claw width Service limit (No1, No2 and No3 drive plate): 13.2 mm (0.520 in) Clutch release bearing Inspect the clutch release bearing for play, wear and damageMove the inner race by finger and inspect for smooth movementIf any defects are found, replace the clutch release bearing with new one (A)
I649G1530057-03
Measure each driven plate for distortion with thickness gauge and surface plateReplace driven plates which exceed the limitSpecial tool (B): 0990020803 (Thickness gauge) Clutch driven plate distortion Service limit: 0.10 mm (0.004 in)
I933H1530050-01
Push rod Inspect the push rod for wear and damageIf any defects are found, replace the push rod with new one