Yamaha LIT-11626-16-27 Manual Do Utilizador

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EC370000

EC371001

1. Remove:

●

Spark plug

2. Inspect:

●

Electrode 1 
Wear/damage 

→ Replace.

●

Insulator color 2 
Normal condition is a medium to light
tan color.
Distinctly different color 

→ Check the

engine condition.

When the engine runs for many hours at low
speeds, the spark plug insulator will become
sooty, even if the engine and carburetor are in
good operating condition.

3. Measure:

●

Plug gap 

a 

Use a wire gauge or thickness gauge.
Out of specification 

→ Regap.

4. Clean the plug with a spark plug cleaner

if necessary.

5. Tighten:

●

Spark plug

●

Before installing a spark plug, clean the gas-
ket surface and plug surface.

●

Finger-tighten 

a the spark plug before

torquing to specification 

b.

T

 

R

.

.