ENGINE
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1、CHECK
1). Checking the output shaft Y-1
• Drive shaft coupling
• Output shaft Y-1
Pitting/galling/wear
Replace.
• O-ring
Damage
Replace.
• bearings
Pitting/damage
Replace.
2、MEASURE
• Output shaft Y-1 swing
a. Temporary install the gearcase .
b. Wrap a rag ① around a screwdriver ②, and
then insert it into the installation hole ③ of the
right crankcase speed sensor to hold the
middle driven gear.
c. Attach the gear lash measurement tool ④
and dial gauge ⑤.
a)6.7 mm (0.26 in)
d. Measure the gear lash while rotating the
output shaft Y-1 back and forth.
NOTE:
Measure the gear lash at 4 positions. Rotate
the middle driven gear 90° each time.
3、INSTALL
• bearing retainer ①
a. Place a rag ② in the vise.
b. Secure the bearing housing edge in the vise.
c. Attach the bearing retainer wrench ③.
d. Tighten the bearing retainer.
CAUTION:
The middle driven shaft bearing retainer has
left-handed threads. To tighten the retainer,
turn it counterclockwise.