TGB Blade 250 ATV Quad Service Repair Manual, Page 70Get this manual

TGB Blade 250 ATV Quad Service Repair Manual, Page 70

6CYLINDER HEADNALVE Remove valve stem seals Clean carbon deposits in combustion chamberClean residues and foreign materials
if spark plug and valve holes are crackedMeasure cylinder head warp with straightedge and thickness gaugeService limit: 0.05
mm Camshaft Inspect cam lobe height for damaged Service Limit: IN: Replacement when less than 34.860mm EX: Replacement when