1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 440Get this manual
DF4050 "K4" ('04) MODEL 15-12
CAMSHAFT (ONLY FOR DF40 EU MODEL)
The intake and exhaust camshafts have been changedThey are the same as the camshafts for DF50Cam height (DF40 EU model) Standard: IN 38.230 38.390 mm (1.5051 1.5114 in) EX 37.740 37.900 mm (1.4858 1.4921 in) Service limit: IN 38.130 mm (1.5012 in) EX 37.640 mm (1.4819 in)