The proper spark plug gap for a 1997 Yamaha YZF600 should be .028 inches. The best spark plugs to use in a YZF600 are copper.
The 2004 Viper Yamaha spark plug gap is .018. Most spark plugs will be pre-gapped by the spark plug manufacturer.
The suggested spark plug gap on a 1997 Yamaha YZ 80 is .036. That is the standard gap for most Yamaha small engines.
The spark plug gap is .020 on your gapper gauge!
The proper spark plug gap for a 2002 Yamaha YZ250 is .024 inches. New spark plugs usually come pre-gapped, however.
The spark plug gap for a 1994 Yamaha YZ250 should be .024 inches. A Yamaha YZ250 is a 249cc motorcycle.
.30 to .35
ngk br9es
The 1998 model, Yamaha 250 hp outboard, requires an NGK BR9HS-10 spark plug, gapped to .039 in.
For a Ngk plug it is a: NGK DR8EA
the gap is 0.024
.032
between .28 - .31"