1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 241Get this manual
POWER TRIM AND TILT 8-12 Brushes Check the length of each brush09900-20101Vernier calipers Brush lengthStandard Service limit 9.8 mm (0.39 in 4.8 mm (0.19 in
If brushes are worn down to the service limit, they must be replaced O-ring Inspect the O-ring between the PTT motor and pumpreservoirReplace if cuts, nicks or tears are found