2000-2001 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual., Page 131Get this manual

2000-2001 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual., Page 131

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5-4 ENGINE TOP END item Cylinder Head: Cylinder compression (Usable range) Standard Service Limit
135 psi) (Open throttle)

Top (keystone)
Second keystone) TOP Second