TOHATSU BFT 200D Owner's Manual page 98

SERVICING YOUR OUTBOARD MOTOR
SPARK PLUG WRENCH
5. Remove the spark plugs with a
spark plug wrench and 19 mm eye
wrench.
96
19 mm EYE
New plug
WRENCH
6. Inspect the spark plugs. Replace
them if the electrodes are worn, or
if the insulators are cracked or
chipped.
Plug needing
0.039 – 0.043 in
replacement
(1.0 – 1.1 mm)
7. Measure the spark plug electrode
gap with a wire-type feeler gauge.
Correct the gap, if necessary, by
carefully bending the side
electrode.
The gap should be:
0.039 – 0.043 in (1.0 – 1.1 mm)
SIDE ELECTRODE
SEALING
WASHER
INSULATOR