Maintenance and troubleshooting, Spark plug adjustments and replacement – MK Diamond Products MK CX-3 User Manual
Page 32

MK CX-3
Revision 09/04, Effective Date September 17, 2004
Page 32
MAINTENANCE AND TROUBLESHOOTING
12. Spark Plug Adjustments and Replacement:
DO NOT work around the engine while hot.
NOTE: 1. Recommended spark plugs are: NGK – BPR6ES or DENSO – W20EPR-U
2. When installing the Spark Plug, ensure the threads of the are aligned with the threads in the
engine so as not to “cross-thread" the plug.
(D)
Clean with a wire brush and re-gap
the Spark Plug
(C)
Inspect Spark Plug if worn replace
Spark Plug and go to step E
(B)
Remove the Spark Plug using a
13/16-inch Spark Plug Socket
(A)
Remove Spark Plug Cap and
clean around the cap and spark
plug
(F)
Tighten the Spark Plug If new,
tighten 1/2-turn, if old, tighten 1/8-
1/4 turn using a 13/16-inch Spark
Plug Socket
(E)
Install the Spark Plug by Hand DO
NOT cross-thread the Spark Plug
(G)
Install the Spark Plug Cap verify
the Spark Plug Cap is seated
Electrode
not worn
No chips or
cracks
Clean
Pull back to
remove
Spark Plug
Wrench
Gap Setting 0.028
– 0.031 in (0.70 –
0.80 mm
Set Gap
Seat by Hand
Turn clockwise
to tighten
Push in to
install
Spark Plug
Cap
Spark Plug
Cap