GAS GAS EC FSE 400 - 2003 Service Manual page 21

(D)
5. Remove the tank
rubber (D).
(E)
6. Unscrew screw of
fuel tank (E).
7. Extract the fuel tank.
EC FSE 2003 -
NOTE:
for the correct use of the plug, it is protected by a cap.
Keep the cap clean and dry.
23
-
8. Extract the protector
cap.
9. Extract de plug and
r e m o v e t h e c a r b o n
deposits from the spark plug
with a small tip or a metallic
brush. Readjust the gap in
the plug between 0.7 and
0.8 mm (0.028 - 0.031 in.).
Before removing the carbon
deposits, check its color; this
color tells us whether the
standard plug is the best for
our use.