Spark Plug Service - Honda BF75D Owner's Manual

Spark Plug Service

<Standard spark plug>
RECOMMENDED SPARK PLUG:
ZFR6K-9E (NGK)
Incorrect spark plugs can cause
engine damage.
See page 87 for instructions of
handing the iridium spark plugs
(optional parts).
1. Disconnect the battery negative 
(-) terminal.
2. Unlock and remove the engine
cover (p.79).
SERVICING YOUR OUTBOARD MOTOR
6 × 20 mm 
FLANGE SH BOLT
PLUG MAINTENANCE COVER
3. Remove the 6 20 mm flange 
SH bolt and remove the plug
maintenance cover.
6 × 25 mm
FLANGE BOLT
4. Remove the 6 25 mm flange bolt. 
Disconnect the connector by
pushing the lock tab and remove
the ignition coil.
CONNECTOR
LOCK TAB
IGNITION
COIL
85