Cooling Fins; Fuel Filter And Fuel Tank - Honda GX25 Mode D'emploi

4. Inspect the spark plug.
Replace it if damaged or badly
fouled, if the sealing washer is
in poor condition, or if the
electrode is worn.
5. 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:
0.6–0.7 mm (0.024–0.028 in)
6. Install the spark plug carefully,
by hand, to avoid
cross-threading.
7. After the spark plug is seated, tighten with a 5/8-inch spark
plug wrench to compress the sealing washer.
When installing a new spark plug, tighten 1/2 turn after the
spark plug seats to compress the washer.
When reinstalling the original spark plug, tighten 1/8–1/4 turn
after the spark plug seats to compress the washer.
A loose spark plug can overheat and damage the engine.
Overtightening the spark plug can damage the threads in the
cylinder head.
8. Attach the spark plug cap to the spark plug.
9. Install the top cover, and tighten the 5 mm hex bolt securely
with a hexagon wrench.

COOLING FINS

Inspection
1. Loosen the 5 mm hex bolt, then remove the top cover.
2. Disconnect the spark plug cap.
3. Inspect the engine cooling fins, and clean out debris if
necessary.
SPARK PLUG CAP
COOLING FINS
4. Reconnect the spark plug cap.
5. Install the top cover, and tighten the 5 mm hex bolt securely.
12

FUEL FILTER AND FUEL TANK

SIDE ELECTRODE
Fuel filter inspection and Fuel tank cleaning
0.6–0.7 mm
(0.024–0.028 in)
SEALING
WASHER
1. Check that the engine oil filler cap is tightened securely.
2. Remove the fuel filler cap, and drain the fuel into an approved
3. Pull the fuel filter out through the fuel filler neck by hooking the
4. Inspect the fuel filter. If the fuel filter is dirty, wash it gently
5. Remove water and dirt from the fuel tank by rinsing the inside
6. Insert the fuel filter into the fuel tank and tighten the fuel filler
ENGLISH
Gasoline is highly flammable and explosive, and you
can be burned or seriously injured when handling fuel.
• Stop the engine and keep heat, sparks, and flame
away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
gasoline container by tipping the engine toward the fuel filler
neck.
ENGINE OIL FILLER CAP
black fuel tube with a piece of wire, such as a partly
straightened paper clip.
with non-flammable or high flash point solvent. If the fuel filter
is excessively dirty, replace it.
FUEL FILTER
of the fuel tank with non-flammable or high flash point solvent.
cap securely.
FUEL FILLER NECK