Suzuki DF200/DF225/DF250 V6 4-Stroke Outboards Service Manual, Page 235Get this manual
POWER UNIT
14Turn the crankshaft two (2) complete rotations in direction shown in figureAs shown in the illustration, check that all match marks are in alignment as written below when the match mark () on the drive gear is pointing to 12:00 o'clock The match mark () on the PORT side INsprocket No1 aligns with the match mark on the camshaft housing The match mark () on the STBD side INsprocket No1 aligns with the match mark on the camshaft housing The match mark (slit) on the PORT side EXsprocket aligns with the mating face of lower camshaft housing The match mark (slit) on the STBD side EXsprocket aligns with the mating face of lower camshaft housing