If you create an account with Yamaha.com you can see all the specifications of that MX bike. Spark Plug gap- 0.5-0.6mm(0.020-0.024 in)
The spark plug gap for a 1994 Yamaha YZ250 should be .024 inches. A Yamaha YZ250 is a 249cc motorcycle.
I have a 1988 Yamaha YZ250 and my manual states .028 is the setting that you should use.
The proper spark plug gap for a 2002 Yamaha YZ250 is .024 inches. New spark plugs usually come pre-gapped, however.
NGK BR9EG is the correct plug for a 2001 Yamaha YZ 125
Ngk cr9e
an ngk BR9EG or BR10EG
NGK plug BP4HS - Gap for PW 50 is 0.6mm.
The 2004 Viper Yamaha spark plug gap is .018. Most spark plugs will be pre-gapped by the spark plug manufacturer.
maybe spark plug
What is the spark plug gap for a 2006 yamaha ttr 125?
Per the Yamaha service manual, a 2001 Warrior uses a NGKD8EA plug and the gap should be 0.024" to 0.028"
The spark plug gap for most Yamaha outboards is around .030 - 0.035in.