Maintenance - Yamaha YZ 2018 Series Owner's Service Manual

EASB29B405

MAINTENANCE

Removing the kick starter kit
1. Remove:
• Kick shaft assembly "1"
TIP
Unhook the torsion spring "2" from the hole "a"
in the crankcase.
Checking the kick starter kit
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
2. 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.
KICK STARTER KIT (OPTIONAL PARTS)
1
2
10-15
a
b
3
1
3. Check:
• Kickstarter lever "1" smooth movement
Unsmooth movement  Apply the lithium-
soap-based grease to the pivoting point and
metal-to-metal moving parts.
TIP
Check the kickstarter lever movement and lu-
brication for every race.
1
Installing the kick starter kit
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 oil to the inner
circumferences of the kick gear and ratchet
wheel.
• Align the punch mark "a" on the ratchet wheel
with the punch mark "b" on the kick shaft.
2
LS