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Chapter 7 ASSEMBLY OF BASIC ENGINE
4.12 Rear Oil Seal - Install
Use the rear seal installer assembly to install the rear oil
seal.
(1) Apply clean engine oil evenly to the oil seal lip.
Note: Pay attention to the installing side of oil seal, and be
careful not to damage the oil seal.
(2) Install the guide flange to the crankshaft rear end face,
and fix it with insert bolts.
(3) Set the oil seal to insert and install it to the guide flange.
(4) Tighten the bolt on the guide flange to insert the oil seal
into timing gear case.
(5) Remove the installer assembly.
Rear Oil Seal - Install (1)
Rear Oil Seal - Install (2)
4.13 Flywheel - Install
(1) Check the mounting surfaces of flywheel and crank-
shaft to make sure that they are free from any foreign
material or damage.
(2) Hitch a sling to the flywheel.
(3) Install the flywheel by aligning its hole with dowel pin
on crankshaft.
(4) Apply engine oil to the bolt threads and bolt seat sur-
faces, then tighten the bolts to the specified torque.
Flywheel - Install
4.14 Flywheel Face and Radial Runout - Measure
Measure the face and radial runouts of the flywheel.
If the measured value extremely deviates from the standard,
check the assembling condition such as loose bolt or foreign
material collection on mounting faces.
Flywheel Face and Radial Runout - Measure
Rear seal installer
assembly
P/N:32591-07012
Insert bolt
Swing washer
Bolt
Insert
Guide flange
Socket bolt
12.5 mm
[0.492 in.]
Timing gear case
Oil seal
Slinger
3.5 ± 0.1 mm
[0.138 ± 0.004 in.]
Be careful not to drop or bump the flywheel.It will result
in personnel injury as well as damage of the flywheel.
539 ± 27 N·m
{55 ± 2.8 kgf·m}
[397.5 ± 19.9 lbf·ft]
[Wet]
Item Standard value
Face runout (reference) 0.285 mm [0.0112 in.] or less
Radial runout (reference) 0.127 mm [0.0050] or less
Face runout
measuring plane
Radial runout
measuring plane
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