2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 228Get this manual
Shimming (F50A) (for worldwide) Example: If "M" is "22.45 mm" and "F" is "+5", then T122.75(+5)10022.45mm0.300.05 mm0.35 mm If "M" is "22.45 mm" and "F" is "-5", then T122.75(-5)10022.45mm0.300.05 mm0.25 mm 3Select the forward gear shim(s) (T1) as followsRounded numeral NOTE: Measure the backlash with the original shim(s)If the original shim(s) is unavailable, start with 0.50 mm shimAvailable shim thicknesses: 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, and 0.50 mm
Calculated numeral at 1100 place 1,2 3,4,5 6,7,8 9,10