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18
Exhaust Port Cleaning
Level 2.
Tools required:
4 mm Hex Wrench., Wood or plastic scraper
Parts Required: As needed: Heat Shield
1.
Remove engine cover. (See "Cleaning Cylinder Fins for step by
step instructions)
2.
Place piston at top dead center. Remove muffler (A), heat shield
(B), and eyeplate (C).
3.
Use a wood or plastic scraping tool to clean deposits from cylin-
der exhaust port.
IMPORTANT
Never use a metal tool to scrape carbon from the exhaust port.
Do not scratch the cylinder or piston when cleaning the exhaust
port. Do not allow carbon particles to enter the cylinder.
4.
Inspect heat shield, and replace if damaged.
5.
Install heat shield, muffler, and eyeplate.
6.
Tighten muffler mounting bolts (or nuts) to 80-95 in•lbf (90-110
kgf•cm).
7.
Install engine cover and attach spark plug lead.
8.
Start engine, and warm to operating temperature.
9.
Stop engine, and re-tighten mounting bolts (or nuts) to specifica-
tions.
c
A
B
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