2011 Yamaha Raptor 125 Factory Service Manual, Page 178Get this manual
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VALVES AND VALVE SPRINGS Valve guide remover (5) 90890-04097 Valve guide remover (5.0 mm) YM-04097 Valve guide installer (5) 90890-04098 Valve guide installer (5.0 mm) YM-04098 Valve guide reamer (5)