2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 116Get this manual
Power unit
NOTE: Install the camshaft caps in the proper position as shown and with the stamped numbers facing upside down Apply engine oil to the camshaft cap bolts before installationCamshaft cap bolt: 1st: Nm (0.8 kgfm, 5.8 ftlb) 2nd: 17 Nm (1.7 kgfm, 12 ftlb) Timing chain tensioner bolt: 12 Nm (1.2 kgfm, 8.7 ftlb)
23Install the camshaft caps, and then tighten them to the specified torque in the order shown in the illustration24Install the timing chain tensioners B, and then tighten the bolts to the specified torque in the sequence shown