SECTION 4
4-20
3-/ 4-Cylinder
FLYWHEEL
NOTE
Flywheel magnets must be of a particular strength in
order to run the ignition system. Weak magnets can
cause low ignition voltage which may affect engine
performance. Flywheels seldom go bad and would
only be replaced as a last resort in solving an ignition
problem.
CAUTION
Flywheel is under high torque and requires the
use of special tools for removal and installation.
Failure to use the specified tools can result in
injury or damage to the flywheel or coil plate
electrical components.
CAUTION
The force needed to loosen and tighten the
flywheel nut requires flywheel be removed and
installed with engine mounted and secured on an
engine stand.
NOTE
Reference the following specification table for
flywheel Removal and Installation special tool
requirements.
Tool
Part
Number
Applicability Engine
Serial
Number
Model
Flywheel Puller -
3C7-72211-1
40 / 50 / 60 / 70 / 80 / 90 / 115 / 120 / 140
All
Bolt , M8 x 25 mm
3B7-72786-0
40 / 50 / 60 / 70 / 80 / 90 / 115 / 120 / 140
All
Flywheel Puller Plate
3B7-72783-0
40 / 50 / 60 / 70 / 80 / 90
All
Flywheel Puller Plate
3C7-72783-0
115 / 120 / 140
All
Bolt , M8 x 40 mm
3B7-72785-0
40 / 50 / 60 / 70 / 80 / 90 / 115 / 120 / 140
All
Washer
940194-0800
40 / 50 / 60 / 70 / 80 / 90 / 115 / 120 / 140
All
Pressing Bolt
3B7-72784-0
40 / 50 / 60 / 70 / 80 / 90 / 115 / 120 / 140
All
1 6
2
3
3
4
5
6
1
T1192
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