2008 Yamaha Rhino YXR70FX Factory Service Manual, Page 177Get this manual

2008 Yamaha Rhino YXR70FX Factory Service Manual, Page 177

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VALVES AND VALVE SPRINGS EBS00238
aPour clean solvent into the intake and exhaust portsbCheck that the valve seals properlyThere should be no leakage at the valve seat 1LLLLLLLLLLLLLLLLLLLLLLLLL