Honda Engine GC135E, GC160E Owners Manual

21
Spark plug service
Recommended spark plug:
Never use a spark plug of incorrect heat range.
If the engine has been running, the muffler will be very hot. Be
careful not to touch the muffler. 3.
BPR6ES (NGK)
To ensure proper engine operation, the spark plug must be
properly gapped and free of deposits.
Remove the spark plug cap and use a spark plug wrench to
remove each spark plug. 1.
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µµ
µ
µ
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0.70 0.80 mm
(0.028 0.031 in)
Visually inspect the spark plug. Discard the spark plug if there is
apparent wear, or if the insulator is cracked or chipped. Clean
the spark plug with a wire brush if it is to be reused.
0.70 0.80 mm (0.028 0.031 in) Measure the plug gap with a feeler gauge. Correct as necessary
by bending the side electrode.
The gap should be: 2.
3.
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µ
23
The spark plug must be securely tightened. An improperly
tightened spark plug can become very hot and may damage the
engine.Check that the spark plug washer is in good condition and
thread the spark plug in by hand to prevent cross-threading.
When installing a new spark plug, tighten 1/2 turn after the spark
plug seats to compress the washer. When reinstalling a used spark
plug, tighten 1/8 1/4 turn after the spark plug seats to compress
the washer.After the spark plug is seated, tighten with a...

24
Spark arrester maintenance (optional part)
If the engine has been running, the muffler will be very hot. Allow
it to cool before proceeding.
The spark arrester must be serviced every 100 hours to maintain
its efficiency. 4.
MUFFLER PROTECTORSPARK ARRESTER
6mmBOLTS MUFFLER
SCREW (2)
Check for carbon deposits around the exhaust port and the spark
arrester, and clean if necessary.Remove the muffler protector by removing the three 6 mm bolts.
Remove the spark arrester from the muffler by removing the
two...

25
Be careful not to damage the spark arrester screen.
SCREEN
Use a brush to remove carbon deposits from the spark arrester
screen.
The spark arrester must be free of breaks and holes. Replace, if
necessary.
Install the spark arrester and the muffler in the reverse order of
disassembly. 3.
4.
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26 TRANSPORTING/STORAGE
Gasoline is extremely flammable and is explosive under certain
conditions. Do not smoke or allow flames or sparks in the area. When transporting the engine, keep the engine level to prevent
fuel spillage. Fuel vapor or spilled fuel may ignite.
DRAIN SCREW
CARBURETOR
Before storing the unit for an extended period;
Be sure the storage area is free of excessive humidity and dust.
Drain the fuel tank and carburetor into a suitable gasoline
container:
Empty the fuel tank into an...

27
Change the engine oil (page 18 ).
Pull the starter rope slowly until resistance is felt. This closes the
valves, and protects them from dust and corrosion.
Coat areas that may rust with a light film of oil. Cover the engine
and store it on a level surface in a dry, dust free area. 5. 3.
4.
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28 TROUBLESHOOTING
If any fuel is spilled, make sure the area is dry before testing the
spark plug or starting the engine. Fuel vapor or spilled fuel may
ignite.
DRAIN SCREW CARBURETOR
When the engine will not start:
Is there fuel in the fuel tank?
Is gasoline reaching the carburetor?
To check, loosen the drain screw. 1.
2.
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29
If the engine still does not start, take the engine to an authorized
Honda dealer. Is the control lever positioned properly (page 10, 11)?
Is the spark plug in good condition? (page 21) 3.
4.
5.
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30
SPECIFICATIONS
Engine
Dimensions
Specifications may vary according to the types, and are subject to
change without notice.
Engine type
Displacement
BorexStroke
Max. output
Max. torque
Fuel consumption
Cooling system
Ignition system
PTO shaft rotation
Fuel tank capacity
Engine oil capacity
Engine oil
Spark plug BPR6ES (NGK)
Service classification SF or SG; SAE 10W-300.58
(0.61 US qt , 0.51 Imp qt)
1.3
(0.45 US gal , 0.37 Imp gal) Counterclockwise
Transistor magneto Forced air
1.2 ltr/h /3,600 rpm...