Honda EG3600CX Owner's Manual page 45

4. SPARK PLUG SERVICE
Recommended spark plug:
To ensure proper engine operation, the spark plug must be properly
gapped and free of deposits.
If the engine has been running, the muffler will be very hot. Be careful
not to touch the muffler.
1. Remove the spark plug cap.
2. Clean any dirt from around the spark plug base.
3. Use a spark plug wrench to remove the spark plug.
SPARK PLUG WRENCH
4. Visually inspect the spark plug.
Discard it if the insulator is
cracked, chipped, or fouled. Clean
the spark plug with a wire brush if
it is to be reused.
5. Measure the plug gap with a
feeler gauge.
Correct as necessary by carefully
bending the side electrode.
The gap should be:
0.7 0.8 mm
BPR5ES (NGK)
SIDE ELECTRODE
SPARK PLUG CAP
0.7 0.8 mm
SEALING WASHER
43