The CR9EH-9 spark plug needs a 16mm or 5/8" socket.
18MM
5/8"
18 mm
11/16" (18mm) deep well socket
18mm My 2005 Kymco 250cc Grandvista / Grand Dink takes this plug and I use a standard 3/8" drive 18mm Deep socket when changing the plug because none of my other sparkplug deep sockets fit.
for a 2.4 ngk-tr55 plug
The NGK CR5HSB spark plug typically requires a 13/16-inch (21 mm) spark plug wrench for removal and installation. It's important to use the correct size to ensure a proper fit and avoid damaging the spark plug during servicing. Always check the specifications or the packaging for confirmation, as variations may exist.
Ngk - dr8es-l
Use NGK MOdel # d7ea WITH A GAP SIZE OF 0.028
I'm using NGK Iridium plugs, CR7EIX with the gap set to 0.7mm, as per the UK NGK website.
Other spark plug brands which cross-reference/interchange with the Champion QC12YC include: NGK: BCPR5ES Denso: Q16PR-U As for what applications the spark plug fits, it fits various European applications, such as BMW, Mercedes, and Saab.
The NGK BM6A spark plug typically requires a 13/16-inch (21mm) spark plug socket for installation and removal. It's important to use the correct size to avoid damaging the spark plug or the engine. Always refer to the specific manufacturer's guidelines for any additional recommendations.