Installing The Kick Idle Gear; Installing The Primary Drive Gear - Yamaha yz250 2015 Owner's Manual

3. Install:
• Spring guide "1"
Slide the spring guide into the kick
shaft, make sure the groove "a" in the
spring guide fits on the stopper of the
torsion spring.
4. Install:
• Washer "1"
• Kick shaft assembly "2"
• Apply the molybdenum disulfide
grease on the contacting surfaces
of the kick shaft stopper "a" and
stopper plate "3".
• Apply the transmission oil on the
kick shaft.
• Slide the kick shaft assembly into
the crankcase and make sure the
kick shaft stopper fits into the stop-
per plate.
5. Hook:
• Torsion spring "1"
Turn the torsion spring clockwise and
hook into the proper hole "a" in the
crankcase.
INSTALLING THE KICK IDLE
GEAR
1. Install:
• Kick idle gear "1"
• Washer "2"
• Circlip "3"
KICK SHAFT AND SHIFT SHAFT
• Apply the transmission oil on the
kick idle gear inner circumference.
• Install the kick idle gear with its de-
pressed side "a" toward you.
INSTALLING THE PRIMARY DRIVE
GEAR
1. Install:
• Thrust plate "1"
• Primary drive gear "2"
• Governor drive gear "3"
• Washer "4"
• Bolt (primary drive gear) "5"
• Install the plain washer with its
chamfered side "a" toward you.
• Temporarily tighten the bolt at this
point.
2. Install:
• Primary driven gear
Refer to "CLUTCH" section.
3. Tighten:
• Bolt (primary drive gear) "1"
Bolt (primary drive gear):
55 Nm (5.5 m•kg, 40
ft•lb)
Place an aluminum plate "a" between
the teeth of the primary drive gear "2"
and driven gear "3".
4. Install:
• Dowel pin "1"
• Gasket [crankcase cover (right)]
"2"
4-29
5. Install:
• Crankcase cover (right) "1"
Mesh the governor gear "2" with the
governor drive gear "3" and the im-
peller shaft gear "4" with the primary
drive gear "5".
6. Install:
• Bolt [crankcase cover (right)] "1"
Bolt [crankcase cover
(right)]:
10 Nm (1.0 m•kg, 7.2
ft•lb)
Tighten the bolts in stage, using a
crisscross pattern.
7. Install:
• Kick starter "1"
• Washer "2"
• Bolt (kick starter) "3"
Bolt (kick starter):
30 Nm (3.0 m•kg, 22
ft•lb)
Install the kick starter closest to but
not contacting the clutch cover
mounting boss "a".