Jim's XS500 dyno pull

87 octane pump gas,Jardine megaphone exhaust,9300 rev-limiter,overly safe jetting.Stock is about 44 hp at the crank.This is 50.3hp at the rear wheel.

Newtronics ignition is available 03-02-2012!!

It is for real.5 ignition kits [YAM3] available now! www.newtronic.co.uk.