Maintenance Schedule; Refueling - Honda GX25 Manual Del Usuario

• Read the instructions before you begin, and make sure you
have the tools and skills required.
• To reduce the possibility of fire or explosion, be careful when
working around gasoline. Use only a non-flammable solvent,
not gasoline, to clean parts. Keep cigarettes, sparks and
flames away from all fuel related parts.
Remember that an authorized Honda servicing dealer knows
your engine best and is fully equipped to maintain and repair it.
To ensure the best quality and reliability, use only new Honda
Genuine parts or their equivalents for repair and replacement.

MAINTENANCE SCHEDULE

REGULAR SERVICE PERIOD (3)
Perform at every
indicated month or
operating hour interval,
whichever comes first.
ITEM
Engine oil Check level
Change
Air cleaner Check
Clean
Replace
Spark plug Check-
adjust
Replace
Timing belt Check
Spark arrester Clean
(Applicable types)
Exhaust filter Clean
(Applicable types)
Engine cooling Check-clean
fins
Nuts, bolts, Check
fasteners
(Retighten if necessary)
Clutch shoes Check
Idle speed Check-
adjust
Valve clearance Check-
adjust
Combustion Clean
chamber
Fuel filter and Clean
Fuel tank
Fuel tubes Check
Oil tube Check
(1) To reduce the service period when used in bad conditions
such as dusty areas.
(2) These items should be serviced by your servicing dealer,
unless you have the proper tools and are mechanically
proficient. Refer to the Honda shop manual for service
procedures.
(3) For commercial use, log hours of operation to determine
proper maintenance intervals.
(4) Check that there is no crack and abnormal wear-out in the
belt, and replace if it is abnormal.
(5) Replace paper air filter element type (GX35, GX50) only.
(6) To clean or replace when it looks so dirty.
Failure to follow this maintenance schedule could result in
non-warrantable failures.
4
Before First Every 3 Every 6 Every Every 2
each month months months year
use or or or or
10 hrs. 25 hrs. 50 hrs. 100 hrs. 300 hrs.
o (6)
o o
o (6)
o (1)
o (5)
o
After every 300 hrs. (2) (4)
o
o
o
o
o (2)
o (2)
o (2)
After every 300 Hrs. (2)
o
Every 2 years
(Replace if necessary) (2)
Every 2 years
(Replace if necessary) (2)

REFUELING

See Figure 2, page A-2.
Recommended Fuel
Unleaded gasoline
U.S.
Except U.S.
Fuel specification(s) necessary to maintain the performance of
the emissions control system: E10 fuel referenced in EU
regulation.
Refer
This engine is certified to operate on unleaded gasoline with a
years to
pump octane rating of 86 or higher (a research octane rating of
or Page
91 or higher).
Refuel in a well ventilated area with the engine stopped. If the
engine has been running, allow it to cool first. Never refuel the
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engine inside a building where gasoline fumes may reach
flames or sparks.
5
You may use unleaded gasoline containing no more than 10%
ethanol (E10) or 5% methanol by volume. In addition, methanol
must contain cosolvents and corrosion inhibitors. Use of fuels
with content of ethanol or methanol greater than shown above
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may cause starting and/or performance problems. It may also
o damage metal, rubber, and plastic parts of the fuel system.
Engine damage or performance problems that result from using
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manual a fuel with percentages of ethanol or methanol greater than
shown above are not covered under the Warranty.
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If your equipment will be used on an infrequent or intermittent
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basis, please refer to the "Fuel" section of the "STORING YOUR
ENGINE" chapter (see page 8) for additional information
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regarding fuel deterioration.
Never use gasoline that is stale, contaminated, or mixed with
2
oil.
Avoid getting dirt or water in the fuel tank.
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Gasoline is highly flammable and explosive.
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You can be burned or seriously injured when
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handling fuel.
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• Stop the engine and let it cool before handling fuel.
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• Keep heat, sparks, and flame away.
• Handle fuel only outdoors.
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• Keep away from your vehicle.
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• Wipe up spills immediately.
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Fuel level check
Fuel can damage paint and some types of plastic. Be careful not
to spill fuel when filling your fuel tank. Damage caused by
spilled fuel is not covered under the Distributor's Limited
Warranty.
1. Check the fuel level visually from the outside of the fuel tank
while keeping the fuel filler neck upright.
2. If the fuel level is low, refuel in a well-ventilated area with the
engine stopped. If the engine has been running, allow it to
cool.
Remove the fuel filler cap [1], and fill the tank with gasoline to
the bottom of the filler neck. Refuel carefully to avoid spilling
fuel. Do not overfill. There should be no fuel in the filler neck.
After refueling, tighten the fuel filler cap securely.
Keep gasoline away from appliance pilot lights, barbecues,
electric appliances, power tools, etc.
Spilled fuel is not only a fire hazard, it causes environmental
damage. Wipe up spills immediately.
ENGLISH
Pump octane rating 86 or higher
Research octane rating 91 or higher
Pump octane rating 86 or higher