2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 122Get this manual
POWR Power unit
NOTE: Be sure to clean up any oil spills
Removing the timing belt and sprockets
1Turn the drive sprocket clockwise and align the" mark on the plate with the" mark on the cylinder block, and check that "I" marks and on the driven sprockets are aligned with marks and f
CAUTION:
Apply force in the direction of the arrows shown, to prevent the flywheel holder from slipping off easily To prevent damage to the engine or tools, screw in the flywheel puller set bolts evenly and completely so that the flywheel puller plate is parallel to the flywheel magnetNOTE: Apply force to the crankshaft end until the flywheel magnet comes off the tapered portion of the crankshaftFlywheel magnet holder B: YB-06139 Universal puller C: YB-06117