Join Date: Jun 2005
Motorcycle: (3) 1st gen 750's; (2) 1st gen 1100's; 90 7/11; 05 RMZ-450; 83 Honda CB1000C; 78 Yamaha DT 175E; 89 HD 883 Sporty; 98 KX250; 85 ATC 125M; 04 Polaris Predator 500; and a few kids quads.
Re: How can you tell when you need to replace chain
Look for stiff links or places where the chain gets tight and then slackens as you rotate the wheel. This indicates a stretched area. Also look at your sprockets. If they have curved teeth, replace everything and if your chain doesn't sit all the way into the teeth on the sprocket, get rid of it. If you are in doubt - swap it out, at least then you know you are good for a while. If your sprockets are in good shape (no curved or missing teeth), you don't need to replace them with the chain.
I had a chain break on my HD and it sucked ass (tore up a new chrome chaiguard, scratched the snot out of my frame, gouged my polished rear wheel, and chewed up some of my case under the sprocket cover). I do consider myself lucky though because I didn't do any major damage to the case, it was only superficial stuff covered by the sprocket cover. I was stupid because I knew it was time to change it but decided to "wait until next month." Not a wise choice as I could have busted my ass.
I'm with the government - I'm here to help.