The spark plug gap for all years/models of Yamaha PW80 and BW80 is 0.024" and NGK part number is BP6HS. NGK plugs come "pregapped" but it's always a good idea to double check before you install any plug, old or new.
NGK plug BP4HS - Gap for PW 50 is 0.6mm.
The correct spark plug for this motorcycle is: NGK D8EA
NGK BR9EG is the correct plug for a 2001 Yamaha YZ 125
NGK CR9E
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.