2004-2006 Kawasaki 900 STX Jet Ski Service Manual, Page 84Get this manual
6-4 ENGINE TOP END Specifications
Item Cylinder Head Cylinder compression Standard (Usable range) 590 930 kPa (6.0 9.5 kgfcm, 85 140 psi) 405 rmin (rpm) 73.000 73.015 mm (2.874 2.875 in 72.895 72.910 mm (2.8699 2.8705 in 0.100 0.110 mm (0.0039 0.0043 in +0.5 mm (0.020 in and +1.0 mm (0.039 in 0.25 0.40 mm (0.0098 0.0157 in 0.25 0.40 mm (0.0098 0.0157 in Service Limit