2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 248Get this manual
POWER UNIT
NOTE: Before installing camshafts, turn crankshaft until the match mark () on the crankshaft drive gear points to 12 o'clock (toward cylinder head)
1Match mark) on drive gear 2Dowel pin
5Apply engine oil to the surface of each camshaft lobe and journal, then install them as shown in figure