Yamaha 150FETO Manual - Página 13

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LOWR

SHIMMING (REGULAR ROTATION MODELS)

(FOR USA AND CANADA)

6525

6526

6530

SELECTING THE FORWARD GEAR

SHIMS

NOTE:

Find the shim thickness (T1) by selecting

shims until the specified value (M0) is

obtained with the special tool.

1. Measure:

• Specified measurement (M)

Out of specified value (M0) → Adjust.

Specified value (M0) =

1.60 + F/100 mm

Measuring steps

(1) Calculate the specified value (M0).

NOTE:

• "F" is the deviation of the lower case

dimension from standard. It is stamped

on the trim tab mounting surface of the

lower case in 0.01-mm units. If the "F"

mark is missing or unreadable, assume an

"F" value of "0", and check the backlash

when the unit is assembled.

• If the "F" mark is negative (–), then sub-

tract the "F" value from the measure-

ment.

Example:

If "F" is "+5", then

M0 = 1.60 + (+5)/100 mm

= 1.60 + 0.05 mm

= 1.65 mm

If "F" is "–3", then

M0 = 1.60 + (–3)/100 mm

= 1.60 – 0.03 mm

= 1.57 mm

6-80