2006-2009 Suzuki LT-Z50 QuadSport ATV Factory Service Manual, Page 57Get this manual

2006-2009 Suzuki LT-Z50 QuadSport ATV Factory Service Manual, Page 57

VALVE SPRING The force of the coil spring keeps the valve seat tightWeakened spring results in reduced engine power output,
spring free length (INEX): Service Limit: 22.8 mm (0.90 in) Valve spring tension (INEX): 36.5 41.9 (3.7 4.3 kgf, 8.2 9.5
lbs) at length 15.0 mm (0.59 in) 09900-20102: Vernier calipers REASSEMBLY Reassemble the cylinder head in the reverse order
of disassemblyPay attention to the following points: Apply MOLYBDENUM OIL SOLUTION to the new stem seal Press-fit the stem
seal onto the intake valve guide The removed valve stem seal must be replaced with new oneMOLYBDENUM OIL SOLUTION Insert