2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 352Get this manual
3A-16 Drive ChainDrive TrainDrive Shaft:
Specifications
Service Data
Drive train Unit: mm (in) Item Final reduction ratio Drive chain Drive chain slack (on center stand) Wheel Unit: mm (in) Item Wheel axle runout Standard Rear Limit 6.0 (0.24) Standard 2.857 (4014) Type RK520SMOZ10S Links 96 20 pitch length 30 40 (1.2 1.6)
B933H23107001
Limit 319.4 (12.57)