Honda Power Equipment FG110, Honda Mini-Tiller Spark Plug Service, Servicing Your Tiller

SERVICING YOUR TILLER

Spark Plug Service

Recommended spark plugs:

NGK – CM5H or CMR5H

NOTICE

An incorrect spark plug can cause engine damage.

1.Loosen the captive 5 mm hex bolt [1] with a 4 mm Allen wrench, then remove the fan cover [2].

2.Disconnect the spark plug cap [3], and remove any dirt from around the spark plug area.

3.Remove the spark plug [4] with a 5/8-inch spark plug wrench.

4.Inspect the spark plug. Replace it if the electrodes are worn, or if the insulator is cracked, chipped, or fouled.

5.Measure the spark plug electrode gap with a suitable gauge. Plug gap: 0.60 ~ 0.70 mm

Correct the gap, if necessary, by carefully bending the side electrode [5].

6.Make sure the sealing washer [6] is attached and install the spark plug carefully, by hand, to avoid cross-threading.

7.After the spark plug seats, tighten with a 5/8-inch spark plug wrench to compress the washer.

If reinstalling the used spark plug, tighten

1/8 ~ 1/4 turn after the spark plug seats. If installing a new spark plug, tighten 1/2 turn after the spark plug seats.

NOTICE

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 [3].

9.Install the fan cover [2], and tighten the 5 mm hex bolt [1] securely.

[2]

[1]

5 mm

[3] [4]

[5]

0.60 ~ 0.70 mm

[6]

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