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43
SPARK PLUG SERVICE
Recommended spark plugs:
If the engine has been running, the muffler will be very hot. Be careful
not to touch the muffler.
4.
SPARK PLUG WRENCH
SPARK PLUG CAP
SIDE ELECTRODE
SEALING WASHER
0.7
0.8 mm
(0.028
0.031 in)
BPR5ES (NGK)
W16EPR-U (DENSO)
To ensure proper engine operation, the spark plug must be properly
gapped and free of deposits.
Remove the spark plug cap.
Clean any dirt from around the spark plug base.
Use a spark plug wrench to remove the spark plug.
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.
0.7
0.8 mm (0.028
0.031 in)
Measure the plug gap with a
feeler gauge.
Correct as necessary by carefully
bending the side electrode.
The gap should be:
1.
2.
3.
4.
5.
09/02/23 10:04:54 32Z21600_045
Summary of Contents for EM3100CX
Page 67: ...66 EM3100CX EM4500CX EM5500CX B type 09 02 23 10 08 48 32Z21600_068 ...
Page 68: ...67 EM4500CXS EM5500CXS B type 09 02 23 10 08 58 32Z21600_069 ...
Page 69: ...68 EM3100CX EM4500CX EM5500CX F G GW types 09 02 23 10 09 05 32Z21600_070 ...
Page 70: ...69 EM4500CXS EM5500CXS F G GW IT types 09 02 23 10 09 15 32Z21600_071 ...