Honda FJ500 Owner's Manual page 48

36V426020.book Page 46 Tuesday, June 25, 2013 10:43 AM
4.Spark plug service
Recommended spark plug: BPR5ES (NGK)
To ensure proper engine operation, the spark plug must be properly
gapped and free of deposits.
1.Remove the spark plug cap.
Use the spark plug wrench to remove the spark plug.
If the engine has been running, the muffler will be very hot. Be careful
not to touch the muffler.
SPARK PLUG CAP
2.Visually inspect the spark plug. Discard it if the insulator is cracked
or chipped. Clean the spark plug with a wire brush if it is to be
reused.
3.Measure the plug gap with a feeler
gauge.
Correct as necessary by bending
the side electrode.
The gap should be:
0.7–0.8 mm (0.028–0.031 in)
46
W16EPR-U (DENSO)
SPARK PLUG WRENCH
–
0.7 0.8 mm
–
(0.028 0.031 in)