Spark Plug - Honda CRF250F 2020 Owner's Manual

Refer to Safety Precautions on page 39.
Spark Plug Recommendation
The recommended standard spark plug is
satisfactory for most riding conditions.
Standard
Use only the recommended type of spark plugs
in the recommended heat range.
Using spark plugs with an improper heat range
can cause engine damage.
LMAR7H-9DS (NGK)
(2)
(1)
(1) center electrode
(2) side electrode
1. Clean any dirt from around the spark plug
base.
2. Disconnect the spark plug cap.
3. Using a spark plug wrench, remove the spark
plug.

Spark Plug

(3)
(3) spark plug gap
(cont'd)
Servicing Your Honda
75