7. CYLINDER HEAD/VALVES ATV 150/125 Nut Remove the four cylinder head nuts and washers. Diagonally loosen the cylinder head nuts in 2 or 3 times. Washer Remove the camshaft holder and dowel Camshaft Holder pins. Camshaft Dowel Pins Remove the camshaft gear from the cam chain and remove the camshaft. Cam Chain Camshaft Gear CAMSHAFT INSPECTION Check each cam lobe for wear or damage. Measure the cam lobe height. Service Limits: IN : 31.4 mm (1.256 in) EX: 31.13 mm (1.2452 in) 7-5