Maintenance
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3.3.33. Ignition coil and spark plug
Apply the sealant (Locktite #272) the
ignition coil cover into the cylinder head,
then tighten.
Tighten the spark plug at cylinder head
with socket tool.
Assemble the ignition coil onto ignition
coil cover.
Adjust the valve clearance as following
guide.
<Guide for valve clearance adjustment>
–
By turning the crankshaft, when the intake and exhaust of #6 cylinder (the fifth cylinder from the
flywheel) overlap, that is, when #1 cylinder’s piston come at the compression top dead center
(OT), adjust the valve clearances by mark indicated.
–
After having turned the crankshaft by 360° and Intake & exhaust valves of #1 cylinder overlap,
that is, when #6 cylinder is in the state of compression TDC (OT), the clearance indicated by
mark is adjusted.
To adjust the clearance, loosen the lock nuts of rocker arm adjusting screws and push the feeler
gauge of specified value between a rocker arm and a valve stem (to measure the clearance of the
valve and rocker arm contacting part) and adjust the clearance with adjusting screw respectively
and then tighten with the lock nut.
As for the valve clearance, adjust it when in cold.
Ignition coil cover
Spark plug
Ignition coil
ED4OM032
Socket tool
Hex. head
16 mm (5/8 inch)
Spark plug torque 2.5 ~ 3.0 kg
•
m
12 3 4 56
EA9O5005
Flywheel Intake valve Exhaust valve Cylinder no. Cooling fan
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