I have been dealing with this all day. The socket is supposed to be in the toolkit that comes on the bike. In my case it was not. It is an 18mm "SPECIAL" socket unlike anything you will find at any hardware store. I even went to the Honda dealership today to buy one and they gave me one they thought would work..it doesn't. I need to call them or have alook online at one specifically for this engine.
19mm thin wall.
18mm thin wall socket normal socket will not work
Same as anyother spark plug, 5/8 i think
13/16" - at least that is the size for my honda 520S snow blower.
Remove the chrome cover, pull out the plug cable, use the spark plug socket with a ratchet.
You need an 18 mm spark plug socket.
2
The two side plugs can be removed with a regular rachet and socket and the ones at the top of each head will need to be removed with a special tool because a rachet and socket will not fit in right because of the angle. It is the long silver tool laying horizontally in the middle of the set.
tools needed socket wrench spark plug socket 18mm extention 1. remove spark plug cover 2. remove spark plug wires 3. insert socket with extention 4. turn counter clockwise 5. steps 3 and 4 for each cylinder 6. place all new plugs then hand tighten them 7. give a little tourque to each spark plug 8. put everything back on what you took off sdfynest
Get a spark plug socket and unscrew the spark plug and replace with a new one.
0.7 mm
.35