2004-2005 660 Yamaha Rhino Factory Service Manual, Page 155Get this manual

2004-2005 660 Yamaha Rhino Factory Service Manual, Page 155

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VALVES AND VALVE SPRINGS

aPour clean solvent into the intake and exhaust portsbCheck that the valve seals properlyThere should be no leakage at the valve seat 2LLLLLLLLLLLLLLLLLLLLLLLLLLL