2004-2009 Suzuki LT-Z250 Service Manual, Page 115Get this manual
Install new gasket and cam chain tension adjuster to the cylinder block and tighten its mounting bolts to the specified torque" Cam chain tension adjuster bolt: 10 Nm (1.0 kgf-m, 7.0 lb-ft) Install new O-ring 4
Install the spring and pin 5Tighten the spring holder bolt to the specified torque" Cam chain tension adjuster spring holder bolt: Nm (0.8 kgf-m, 6.0 lb-ft) Adjust the valve clearance(!2-5)