Yamaha MT-09 2021, Service Manual

Page: 266 / 752

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GENERATOR AND STARTER CLUTCH
4. Check:
• Starter clutch operation
a. Install the starter clutch gear “1” onto the
generator rotor “2” and hold the generator
rotor.
b. When turning the starter clutch gear clock-
wise “A”, the starter clutch and the starter
clutch gear should engage, otherwise the
starter clutch is faulty and must be re-
placed.
c. When turning the starter clutch gear coun-
terclockwise “B”, it should turn freely, other-
wise the starter clutch is faulty and must be
replaced.
EAS30871
INSTALLING THE STARTER CLUTCH
1. Install:
• Starter clutch “1”
TIP
• Install the starter clutch so that the side of the
starter clutch roller assembly with the arrow
mark “a” is toward the generator rotor “2”.
• While holding the generator rotor with the
sheave holder “3”, tighten the starter clutch
bolts.
EAS30872
INSTALLING THE GENERATOR
1. Install:
• Woodruff key
• Generator rotor
• Washer
• Generator rotor bolt
TIP
• Clean the tapered portion of the crankshaft and
the generator rotor hub.
• When installing the generator rotor, make sure
the woodruff key is properly seated in the key-
way of the crankshaft.
• Lubricate the washer with engine oil.
• Lubricate the generator rotor bolt threads and
washer mating surfaces with engine oil.
2. Tighten:
• Generator rotor bolt “1”
TIP
While holding the generator rotor “2” with the
sheave holder “3”, tighten the generator rotor
bolt.
Starter clutch bolt
3 2 N·m ( 3 .2 kgf·m, 24 lb·ft)
LOCTITE®
Sheave holder
90890-0190 3
Primary clutch holder
YS-01880-A
1
2
A
B
G088978
T
R
.
.
Generator rotor bolt
75 N·m (7.5 kgf·m, 55 lb·ft)
Sheave holder
90890-0190 3
Primary clutch holder
YS-01880-A
a
1
2
3
2
New
T
R
.
.