Honda CBR125 RS5 ideas.

[Greavesy]

Idea's on what could cause a vibration under my feet through my foot pegs whilst slowing down with throttle shut. On CBR 125 RS5. Also ideas other than the basics, on how to maintain the bike to a very high standard. As i am covering alot of miles, What are these bikes known for when they go wrong??

[Frost]

The vibration is likely caused by something loose. It might be the exhaust rattling against something, a loose foot peg, a loose or broken engine mount or any number of things. It's possible it could be something on the front end like a warped disc or worn bearing, but that would likely be felt mostly through the handlebars. So it's hard to say what it is, but it might be obvious from a quick visual inspection.

[Codemonkey]

Stiff links in the chain ?
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Test Passed 10/05/2011 Current bike: XJ6-N

[Frost]

I'd not thought about that one, clutch adjustment can also cause juddering on deceleration.

[Greavesy]

Turns out, front sprocket is in need for immediate replacement. As its warn down and hooked. causing chain to slip. Also messing with the spire as far as i am aware. But no teeth seem to be affected. Thanks for replies people. big help on what to look for. ordered new chain and sprockets just incase i have a tight link. which i believe it could be part of the problem.