2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 340Get this manual
POWER TRIM AND TILT
Ensure that the mica (insulator) between commutator segments is undercut to specified depthCommutator undercut: Standard 1.6 1.9 mm (0.06 0.07 in) Service limit 1.0 mm (0.04 in) If undercut is less than service limit, cut to specified depthNOTE: Remove all particles of mica and metal using compressed air# Wear safety glasses when using compressed air
SEGMENT