2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 231Get this manual
8-22 ENGINE BOTTOM END C and Co s
Connecting Rod Twist
he en Onassuurfracehpladteff,esretntce bnigt-he dhariborts[Ao]fotnhV blrobcokr [C] Me ete above the surface plate over 1e0ghmm (3.9e4 ain d[iB0 tance-on the arbor to determine the amount of connecting rod twist with the connecting rod held horizontally, and using height gaugeIf connecting rod twist exceeds the service limit, the connecting rod must be replacedConnecting Rod Twist Se rv ic im it: .2 1 00 (0 .0in
ther crank web to determine clearance
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Connecting Rod Big End Side Clearance ta(0t:)
If the clearance exceeds the service limit, replace the connecting rod with new one and then check clearance againIf clearance is too large after connecting rod replacement, the crankshaft also must be replaced