Honda BF115A, BF130A Outboard Motors Shop Manual., Page 329Get this manual
4) Remove the oil tank cap and check whether the Automatic Transmission Fluid (ATF) is at the upper limit of the filler port (t? 14-17) 5) Push the "DM" side of the power tilt switch to compress each rod fully, and measure the upper chamber blow pressureUpper chamber blow pressure
3,923 7,355 kPa (4075 kgfcm2, 5691,067 psi)
6) If the blow pressure is lower than the specified pressure, check for oil leaks