P pakenham yamaha New member Joined Dec 18, 2009 Messages 9 Age 48 Location PAKENHAM Feb 11, 2011 #1 Wondering what number of spark plug these sleds came with from the factory, or if there is a better plug to use.
Wondering what number of spark plug these sleds came with from the factory, or if there is a better plug to use.
T Team Parent Racing Member Joined Feb 5, 2011 Messages 67 Age 41 Location Eagan, MN Feb 11, 2011 #2 BR90S. They came with BR9EV but they are more expensive and there is no more performance gain that I have seen in my years of racing and teching races.
BR90S. They came with BR9EV but they are more expensive and there is no more performance gain that I have seen in my years of racing and teching races.
