Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 18Get this manual
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CYLINDER COMPRESSION CHECK 1) Shift the gear into the neutral position
1.231.42 MPa (12.514.5 kgfcm2, 178206 psi) at 600 min-(rom)
8) Reinstall the compression gauge in the No2 cyli