Spark plug adjustment and replacement, Maintenance and troubleshooting – HONDA MK SG-2 User Manual
Page 37

MK SG-2
Revision 11/01, Effective Date November 13, 2001
Page 37
MAINTENANCE AND TROUBLESHOOTING
13. Spark Plug Adjustment 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.
(E)
Clean with a wire brush and re-
gap the Spark Plug
(D)
Inspect Spark Plug if worn
replace Spark Plug and go to
step E
(C)
Remove the Spark Plug using a
13/16-inch Spark Plug Socket
(B)
Remove Spark Plug Cap clean
cap and around spark plug
(G)
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
(F)
Install the Spark Plug by Hand
DO NOT cross-thread the Spark
Plug
(H)
Install the Spark Plug Cap verify
the Spark Plug Cap is seated
Gap Setting
0.028 – 0.031 in
(0.70 – 0.80 mm
Clean
Electrode
not worn
No chips
or cracks
Set Gap
(A)
Remove the Air Filter for easier
access to the Spark Plug (See
Air Filter Cleaning and
Replacement, Section 13)
Turn counter-
clockwise to
loosen
Air Filter
Air Filter Cover
Turn clockwise
to tighten
Spark Plug
Cap
Pull back
to remove
Turn counter-
clockwise to
loosen
Seat by Hand
Turn clockwise
to tighten
Spark Plug
Cap
Push in
to install
(I)
Install the Air Filter
(See Air Filter Cleaning and
Replacement, Section 13)