aluminum sprocket

OKAY SO I BOUGHT THIS BIKE LAST FRIDAY ITS A 2004 ZX6R (ITS ALSO BEEN JETTED I HAVE NO IDEA WHAT THAT MEANS). :2fingerlol: AND THEY GUY SAID IT HAS A ALUMINUM SPROCKET AND THAT I HAVE TO LUBE MY BIKE EVERY OTHER RIDE OR SO BECAUSE IF NOT THE CHAIN WILL EAT THE SPROCKET (OR SOMETHING LIKE...