2007 Yamaha Apex Factory Service Manual, Page 167Get this manual

2007 Yamaha Apex Factory Service Manual, Page 167

CAMSHAFTS 7Remove: Timing chain guide (exhaust side) Camshaft caps Dowel pins CAUTION: To prevent damage to the cylinder
head, camshafts or camshafts caps, loosen the camshaft cap bolts in stages and in crisscross pattern, working from the outside