chain/sprocket

I have a 2010 FZ6 what are the odds that I have had 2 chains break on me while I was riding it in less than 2 years. I know how to maintain my chain so I don't think that is the issue here. I just replaced the sprockets and chain and front sprocket nut this past May. What else would cause my...

Replaced my chain and sprocket on a 05 FZ6 right before winterizing it, noticed a weird whining almost siren (originally that's what I thought it was) upon deacceleration at high speeds. Chain is tightend within range and noticed a bit of it the other day when riding although probably won't get...