Suzuki DF70A Owner's Manual page 58

To maintain a strong spark, you should clean
and adjust the plugs at the intervals shown in
the maintenance chart. Remove carbon depos-
its from the spark plugs using a small wire
brush or spark plug cleaner, and adjust the gap
according to the following chart:
Spark plug gap
1 2
4 5
1. Excessive wear 2. Breakage 3. Melting
4. Erosion 5. Yellow deposits 6. Oxidation
NOTE:
If the spark plug condition is found as shown in
the illustration above, ensure it is replaced with
new one. Otherwise, it will cause difficulty in
starting the engine, increase fuel consumption,
and result in engine troubles.
58
0.8 – 0.9 mm
(0.031 – 0.035 in.)
3
6
BREATHER AND FUEL LINE
Inspect the breather and fuel line for leaks,
cracks, swelling, or other damage. If the
breather and fuel line is damaged in any way, it
must be replaced. Consult your authorized
Suzuki Marine Dealer if it is necessary to
replace them.
DF70A/80A/90A
Breather line
DF100B
Breather line
DF70A/80A/90A
Fuel line
Fuel line
DF100B
Fuel line
Fuel line
Breather line
DF100B
Breather line