Honda HRB215K3PDA Harmony Owner's Manual page 50

MAINTENANCE
5. Wipe dirt from the inside of the air cleaner housing and cover,
using a moist rag. Be careful to prevent dirt from entering the air
duct that leads to the carburetor.
6. Reinstall the filters and cover. Tighten the cover screw securely.
Spark Plug Service
RECOMMENDED SPARK PLUGS REGULAR RESISTOR'
NGK
BP5ES BPR5ES
DENS0
WlGEP-U WI GEPR-U
CHAMPION
N12Y
RN12Y
l
Resistor sDark ~luas reduce intetference with radio and TV reception.
1 NOTICE 1
Incorrect spark plugs can cause engine damage.
For good performance, the spark plug must be properly gapped and
free of deposits.
1. Disconnect the spark plug cap
and remove any dirt from
around the spark plug area.
SPARK PLUG
CAP
48