Yamaha F50A - Selecting the Reverse Gear Shims

62Y3A11
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Example:
If “M” is “22.45 mm” and “F” is “+5”, then
T1 = 22.75 + (+5)/100 – 22.45mm
= 0.30 + 0.05 mm = 0.35 mm
If “M” is “22.45 mm” and “F” is “–5”, then
T1 = 22.75 + (–5)/100 – 22.45mm
= 0.30 – 0.05 mm = 0.25 mm
3. Select the forward gear shim(s) (T1) as
follows.
Example:
If “T1” is “0.45 mm”, then forward gear shim
is 0.42 mm.
If “T1” is “0.50 mm”, then forward gear shim
is 0.48 mm.
Selecting the reverse gear shims
1. Measure the backlash to find the shim
thickness (T2). Add or remove shims if
out of specification. For measuring pro-
cedures, see “Measuring the forward and
reverse backlash” in this chapter.
NOTE:
Measure the backlash with the original
shim(s). If the original shim(s) is unavailable,
start with a 0.50 mm shim.
Calculated numeral
at 1/100 place
Rounded numeral
1, 2 0
3, 4, 5 2
6, 7, 8 5
9, 10 8
Available shim thicknesses:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, and
0.50 mm
Available shim thicknesses:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, and
0.50 mm
Shimming (F50A) (for worldwide)