CLUTCH
5-63
EAS30346
REMOVING THE CLUTCH
1. Remove:
• Clutch cover
• Gasket
TIP
Loosen each bolt 1/4 of a turn at a time, in stag-
es and in a crisscross pattern.
After all of the bolts are fully loosened, remove
them.
2. Remove:
• Compression spring bolts
• Pressure plate 1
• Compression springs
• Pressure plate 2
• Pull rod
3. Remove:
• Friction plates 1
• Clutch plate 1
• Clutch plates 2
• Friction plates 2
• Clutch damper spring
• Clutch damper spring seat
TIP
Be sure to mark the friction plates and clutch
plates or note the position of each part so that
they are installed in their original positions.
4. Straighten the clutch boss nut rib “a”.
5. Loosen:
• Clutch boss nut “1”
TIP
• While holding the clutch boss “2” with the uni-
versal clutch holder “3”, loosen the clutch boss
nut.
• Do not use an impact wrench for removing the
clutch boss nut.
6. Remove:
• Clutch boss nut
• Conical spring washer
• Clutch boss
• Thrust plate
• Clutch housing assembly
• Bearing
• Washer
EAS30348
CHECKING THE FRICTION PLATES
The following procedure applies to all of the fric-
tion plates.
1. Check:
• Friction plate 1 (blackish shoe)
• Friction plate 2 (whitish shoe)
Damage/wear
→
Replace the friction plates
as a set.
2. Measure:
• Friction plate 1, 2 thickness
Out of specification
→
Replace the friction
plates as a set.
TIP
Measure the friction plate at four places.
EAS30349
CHECKING THE CLUTCH PLATES
The following procedure applies to all of the
clutch plates.
1. Check:
• Clutch plate 1, 2
Damage
→
Replace the clutch plates as a
set.
Universal clutch holder
90890-04086
Universal clutch holder
YM-91042
a
G0
88
991
Friction plate 1 thickness
2.72–2.88 mm (0.107–0.113 in)
Wear limit
2.62 mm (0.103 in)
Friction plate 2 thickness
2.72–2.88 mm (0.107–0.113 in)
Wear limit
2.62 mm (0.103 in)
1
2
3
G0
88
99
3
Summary of Contents for YZF-R1 2020
Page 1: ...2020 SERVICE MANUAL YZF R1 YZF R1M YZF1000L YZF1000 YZF1000DL YZF1000D B3L 28197 20 ...
Page 2: ......
Page 6: ......
Page 8: ......
Page 38: ...SPECIAL TOOLS 1 29 ...
Page 55: ...TIGHTENING TORQUES 2 16 ...
Page 60: ...CABLE ROUTING 2 21 Frame rear right side view B A C D 2 1 2 3 4 5 6 7 ...
Page 82: ...CABLE ROUTING 2 43 Front brake hose left side view A 1 1 1 1 2 2 2 3 3 3 4 4 4 3 4 ...
Page 86: ...CABLE ROUTING 2 47 Fuel tank top and left side view A B 1 2 3 4 5 2 5 ...
Page 88: ...CABLE ROUTING 2 49 Canister A E 1 2 3 4 5 6 B B B C D 7 8 9 10 E F G H E 7 10 11 ...
Page 92: ...CABLE ROUTING 2 53 Air cut off valve right side view A B C C D E 1 2 2 3 3 3 4 4 5 5 5 6 7 ...
Page 100: ...CABLE ROUTING 2 61 Muffler top and left side view 1 1 2 3 3 4 5 5 6 6 4 4 5 6 5 6 A ...
Page 104: ...CABLE ROUTING 2 65 ...
Page 107: ......
Page 149: ......
Page 171: ...GENERAL CHASSIS 5 4 22 T R Front muffler protector bolt 7 N m 0 7 kgf m 5 2 lb ft b b a a 1 ...
Page 280: ...CHAIN DRIVE 4 131 ...
Page 335: ...ELECTRIC STARTER 5 52 1 2 3 a b ...
Page 388: ...TRANSMISSION 5 105 ...
Page 406: ...WATER PUMP 6 17 ...
Page 433: ......
Page 439: ...IGNITION SYSTEM 8 6 ...
Page 447: ...CHARGING SYSTEM 8 14 ...
Page 451: ...LIGHTING SYSTEM 8 18 ...
Page 486: ...ELECTRICAL COMPONENTS 8 53 ...
Page 495: ......
Page 505: ...SYSTEM DIAGRAM 9 10 ...
Page 531: ...STEERING DAMPER SYSTEM 9 36 ...
Page 815: ...91_ABS 9 320 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
Page 818: ......
Page 819: ......
Page 820: ......