RZR S 900 Hour Timer May 28, 2015 Does anyone know if the hour timer counts all time with the ignition switch on or just when the engine is running? I want to make sure that if I am just running my radio with the engine off, it does not run up my timer…..thanks for your help. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related