Honda CBR600RR 2009 Owner's Manual page 133

Spark Plugs
14. Inspect the electrodes and center
porcelain for deposits, corrosion, or
carbon fouling. If the corrosion or
deposits are heavy, replace the plug.
15. Make sure that a 1.0 mm wire-type
feeler gauge cannot be inserted between
the spark plug gap (
fits in the gap, replace the plug with a
new one.
(16)
(16) spark plug gap
124
Servicing Your Honda
16 ). If the gauge
16. Make sure the plug washer is in good
condition.
17. With the plug washers attached, thread
the spark plugs in by hand to prevent
cross-threading.
18. Tighten each spark plug:
If the old plug is good:
1/8 turn after it seats.
If installing a new plug, tighten it
twice to prevent loosening:
a) First, tighten the plug:
NGK: 1/2
DENSO: 1
b) Then loosen the plug.
c) Next, tighten the plug again:
1/8 turn after it seats.
turn after it seats.
turn after it seats.