Honda-SOHC

SOHC.co.uk Forums => CB500/550 => Topic started by: commando1954 on April 29, 2023, 09:27:17 AM

Title: 1976 cb550 spark plugs
Post by: commando1954 on April 29, 2023, 09:27:17 AM

What spark plugs are best for my cb550k 1976?

Title: Re: 1976 cb550 spark plugs
Post by: peterengland on April 29, 2023, 10:53:44 AM

D7EA or D8EA

Title: Re: 1976 cb550 spark plugs
Post by: Oddjob on April 29, 2023, 03:45:05 PM

Seems to be a trend for fitting Nippon Denso recently. Seems there are quite a few fake NGK plugs flying around.

X22 ES is standard but X24 ES also seems to be used a lot.