Yamaha YZ 2018 Series, Owner'S Service Manual, Page: 242 / 402

CLUTCH
5-45
EASB29B252
INSTALLING THE CLUTCH
1. Install:
• Push lever shaft “1”
TIP
• Apply the lithium-soap-based grease on the
oil seal lip.
• Before installation, apply the engine oil to the
push lever shaft sliding surface.
2. Install:
• Washer “1”
• Bearing “2”
• Collar “3”
• Primary driven gear “4”
• Thrust washer “5”
• Clutch boss “6”
TIP
Apply the engine oil on the primary driven gear
inner circumference.
3. Install:
• Lock washer “1”
• Clutch boss nut “2”
ECA
NOTICE
Make sure to tighten to specification; other-
wise, it may damage the other part that is
fastened together.
TIP
• Apply the engine oil to the threads and con-
tact surface of the clutch boss nut.
• Use the clutch holding tool “3” to hold the
clutch boss.
4. Bend the lock washer “1” tab.
5. Install:
• Friction plate 1 “1”
• Clutch plate “2”
• Cushion spring “3”
• Friction plate 2 “4”
TIP
• Install the clutch plates and friction plates al-
ternately on the clutch boss, starting with a
friction plate and ending with a friction plate.
• Install the cushion spring “3” in the position as
shown.
1
2
1
New
Clutch boss nut
75 N·m (7.5 kgf·m, 55 lb·ft)
Universal clutch holder
90890-04086
Universal clutch holder
YM-91042
T
R
.
.
3
2
1
1