13 HP 389cc OHV Gas Engine with Electric Start
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V 2.6
REPLACING THE SPARK PLUG
CAUTION! Using an incorrect spark plug can cause engine damage.
CAUTION! Do not check for spark with spark plug removed.
For good performance, the spark plug must be properly gapped and free of deposits.
1. Remove any dirt from around the spark plug area.
2. Unclip the spark plug lead and remove the spark plug with a 13/16 in. spark plug wrench.
3. Inspect the spark plug. Replace it if damaged, badly fouled, the sealing washer is in poor condition, or the
electrode is worn.
4. Check the gap with a spark plug gauge as shown in Figure 7. If necessary, reset the gap (See Specifications).
5. Install the spark plug carefully by hand to avoid cross threading.
6. Tighten the spark plug to the recommended torque. See Specifications for the correct torque rating.
7. Reconnect the spark plug lead to the spark plug.
NOTE: In some areas, local law requires using a resistor spark plug to suppress ignition signals. If this is the
case, please replace the existing spark plug with a resistor spark plug.
EMISSION CONTROL SYSTEM INFORMATION
The combustion process produces carbon monoxide, hydrocarbons, and oxides of nitrogen. Control of these
emissions is very important for personal and environmental health.
The following instructions must be followed in order to keep the emissions from your engine within Canadian
emission standards.
1. Do not remove or alter any part of the intake, fuel, or exhaust systems.
2. Do not alter or bypass the governor linkage or speed-adjusting mechanism to cause the engine to operate
outside its design specifications.
Fig. 7
Summary of Contents for 13 HP 389cc OHV Gas Engine
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