2009 Yamaha F40 Outboard Service Manual, Page 267Get this manual
LOWR Lower case deviation Serial number
Lower unit
Shimming check sheet
P Remarks
Pinion height Measurements Measurement point #1 Measurement point #2 Measurement point #3 Measurement point #4 Average Truncated average (M) Forward gear backlash Measurements Before disassembly Measurement point #1 Measurement point #2 Measurement point #3 Measurement point #4 Average Truncated average (BL1) Reverse gear backlash Measurements Before disassembly Measurement point #1 Measurement point #2 Measurement point #3 Measurement point #4 Average Truncated average (BL2) After disassembly After disassembly