Yamaha WR250F 2016 Owner's Service Manual page 275

1
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"
Clutch boss nut
75 Nm (7.5 m·kgf, 54 ft·lbf)
ECA
NOTICE
Make sure to tighten to specification; other-
wise, it may damage the other part that is
fastened together.
TIP
Use the clutch holding tool "3" to hold the clutch
boss.
Universal clutch holder
90890-04086
Universal clutch holder
YM-91042
New
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.
• From the clutch boss side, install the friction
plates in order: friction plate 1  2, friction
plate 2 (identification color: purple)  5, and
friction plate 1  2.
• Apply the engine oil on the friction plates and
clutch plates.
1
2
4
a. Identification color
6-46
CLUTCH
3
1
2
1
1
a
3
2
2