Removing The Primary Drive Gear; Removing The Kick Shaft Assembly; Checking The Kick Shaft And Ratchet Wheel; Checking The Kick Gear, Kick Idle Gear And Ratchet Wheel - Yamaha YZ250X 2022 Owner's Service Manual

EAM30570

REMOVING THE PRIMARY DRIVE GEAR

1. Loosen:
• Primary drive gear bolt "1"
TIP
Place an aluminum plate "a" between the teeth
of the primary drive gear "2" and driven gear "3".
EAM30101

REMOVING THE KICK SHAFT ASSEMBLY

1. Remove:
• Kick shaft assembly "1"
TIP
Unhook the torsion spring "2" from the hole "a" in
the crankcase.
EAM30102
CHECKING THE KICK SHAFT AND
RATCHET WHEEL
1. Check:
• Ratchet wheel "1" smooth movement
Unsmooth movement  Replace.
• Kick shaft "2"
Wear/damage  Replace the kick shaft as-
sembly.
• Spring "3"
Broken  Replace.
3
EAM30103
CHECKING THE KICK GEAR, KICK IDLE
GEAR AND RATCHET WHEEL
1. Check:
• Kick gear "1"
Wear/damage  Replace the kick shaft as-
sembly.
• Kick idle gear "2"
• Ratchet wheel "3"
• Gear teeth "a"
• Ratchet teeth "b"
Wear/damage  Replace.
1
EAM30104

INSTALLING THE KICK SHAFT ASSEMBLY

1. Install:
• Kick gear "1"
• Washer "2"
• Circlip "3"
New
• Ratchet wheel "4"
• Spring "5"
• Washer "6"
• Circlip "7"
New
(to the kick shaft "8")
TIP
• Apply molybdenum disulfide grease to the in-
ner circumferences of the ratchet wheel.
• Apply the transmission oil on the kick gear in-
ner circumference.
• Align the punch mark "a" on the ratchet wheel
with the punch mark "b" on the kick shaft.
5-20
KICKSTARTER
1
2
a
b
3
2