TGB Blade 250 ATV Quad Service Repair Manual, Page 79Get this manual
6CYLINDER HEADNALVE Install Air Injection system (Al) pipe(4 bolts) Install inlet pipe onto cylinder Install and tighten spark plug Torque value: 1.02.0kgf-m
Caution
This model is equipped with more precision 4-valve mechanism so its tighten torque can not be exceeded standard value in order to avoid causing cylinder head deformation, engine noise and leaking so that motorcycle's performance be effectedInstall the engine onto frame (refer chapter 5)
Valve Clearance Adjustment