2006-2009 Suzuki LT-Z50 QuadSport ATV Factory Service Manual, Page 55Get this manual

2006-2009 Suzuki LT-Z50 QuadSport ATV Factory Service Manual, Page 55

VALVE FACE WEAR Visually inspect each valve for wear or damage of its seating faceIf anything unusual is found, replace
stand 09900-21304: V-block set (100 mm) VALVE HEAD RADIAL RUNOUT Place the dial gauge at right angles to the valve head face
and measure the valve head radial runoutIf the valve head radial runout exceeds the service limit, replace the valveValve
head radial runout (INEX): Service Limit: 0.03 mm (0.001 in) 09900-20607: Dial gauge (1100 mm) 09900-20701: Magnetic stand
09900-21304: V-block set (100 mm) VALVE STEM DEFLECTION Lift the valve head 10 mm (0.39 in) from the valve seat and measure
the deflection in and directions as shownIf the deflection exceeds the service limit, measure the valve stem outside diameterValve