2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 224Get this manual
POWER UNIT
CAMSHAFT TIMING SPROCKET Check teeth of sprocket for wear or damage! The VVT actuator is non-repairableDo not attempt to remove bolts or disassemble the VVT actuatorIf excessive wear or other damage is found, replace it
VVT actuator