advance key

[honda400ex2003]

What does an advance key do? I found a +6 advance key that says it gives you 2 horsepower increase is this true? Thanks alot Steve

[plkmonster2]

It advances your ignition spark for a little increase in power. I doubt 2 hp though.

[honda400ex2003]

Hey plkmonster2 you replyed to my header ? to thanks. I guess I won't buy this then. Thanks again Steve