over revved engine and now the chain is slack.

[davefly76]

any ideas of how this could have happened, or what damage may have been done?

it happened on the way to the grand prix on friday. i was gunning it past a couple of cars and a lorry on a fairly long straight-ish single carriageway. i noticed a van up ahead and then spotted that the lane i was overtaking in was coned off and there were temporary traffic lights which were just turning red so the van was braking. i had to slam on the anchors and was down shifting when i put it in first and the revs just flew up! i stopped safely and the engine was running fine but when i pulled away again i could hear a clonking sound. it went away as the revs rose and it changes up and down gears with no problems. i carried on my journey and every time i pull away, from standstill or rolling, i get the same clunking noise untill the revs rise. i've looked around and i can't see anything obviously loose but the chain is extremely slack now. i asked someone to watch me pull away slowly and he said the chain was bouncing around.

just looking for a bit of info as to how this could have happened and if it would have caused any other damage, i'm a noob to this biking malarky!

[Guest]

see if you get any answers in here fella

http://www.themotorbikeforum.co.uk/view ... =5&t=21360

Sounds like it just needs adjusting though.

[Guest Hodgy]

I'd carefully check all the links in the chain for damage, and both sprockets for damaged / missing teeth, just in case, if everything checks out ok, then adjust the chain and keep your eye on it for the next few hundred miles just to be on the safe side

[eastanglianbiker]

as you adjut the chain check for tight spots in it and make sure the tight spot is the bit you check the adjustment on otherwise if you check it at a loose spot the tight spot on tthe chain will get over stressed and could break

[rennie]

I'd say you've possibly stretched your chain by banging down the gears too fast!.

You need to adjust it to the correct tension.