Honda UMR435T Manuel De L'utilisateur page 57

4. Measure the plug gap with a feeler gauge.
Correct as necessary by carefully bending the side electrode.
The gap should be: 0.6 – 0.7 mm (0.024 – 0.028 in)
5. Check that the spark plug washer is in good condition and thread the spark
plug in by hand to prevent cross-threading.
6. After the spark plug is seated, tighten with a spark plug wrench to compress
the washer.
TORQUE: 11.8 N·m (1.2 kgf·m, 9 lbf·ft)
NOTE:
If installing a new spark plug, tighten 1/2 turn after the spark plug seats to
compress the washer. If reinstalling a used spark plug, tighten 1/8 – 1/4 turn after
the spark plug seats to compress the washer.
CAUTION:
The spark plug must be securely tightened. An improperly tightened plug
can become very hot and possibly damage the engine.
7. Attach the spark plug cap.
8. Install the top cover, and tighten the 5 mm hex socket bolt with a hexagon
wrench securely.
54
SIDE ELECTRODE
WASHER
0.6 - 0.7
(0.024 - 0.028 in)
INSULATOR