NGK CR9E
The correct spark plug for this motorcycle is: NGK D8EA
NGK BR9EG is the correct plug for a 2001 Yamaha YZ 125
B8es
The correct spark plug for this model is the NGK B-7ES.
What I s the correct spark plug gap for 2011 Yamaha 230 Dirt Bike.
Ngk cr9e
.35
you have to make ngk b8hs-10
.030-.040
Correct plug and gap for YFM350X is : NGKD8EA 0.024 to 0.028 I own one, this info is out of the Yamaha Service Manual.
From the user manual, 0.7-0.8 mm
The 2004 Viper Yamaha spark plug gap is .018. Most spark plugs will be pre-gapped by the spark plug manufacturer.