digifox said:I`d say its time to replace the chain.....
If the sprockets show wear replace them to.
x!TremeRider!x said:Tighten it... if its to the end you need a new chain. I just checked my chain... less then 10 hours of riding and I'm replacing a sprocket which was fresh and now its has all chips in it =\
you should every time you replace the chain96CRkid said:ah, gotta do something about that....cant be replacing sprockets every time!
swingarm glides are barely worn, the roller...not so muchwhenfoxforks-ruled said:#1, Do not use grease on a standard chain. Use a quality chain lube. The better, and more often you maintain the chain, the longer it will last. In sand, all bets are off! If you do not care about the engine or performance, put an o-ring chain on. #2, Define new? Took it out for how many hours? 0 hours is new. Slapping a new cheap chain on a worn front sprocket will destroy the chain in minutes. You put an AFAM sprocket and chain set on, and take care of it, it will last a LONG time! How are the swingarm glides and roller?
rmc_olderthandirt said:I am not sure I understood the original description and I sure don't understand/agree with some of the recommendations.
The chain MUST have slack in it. If you tightened the chain so that it didn't make any slap or rattle noises then it would make one loud SNAP sound and that will be the end of that.
96CRKid: Can you provide a bit more description as to when this noise occurs?
If it happens when you are revving the engine in neutral then it has to be the chain vibrating against the swing arm. Don't worry about it.
If it happens when you are riding at WOT (and you can hear it above the engine noise) then I would expect it to be the chain guide (plastic part that guides the chain onto the rear sprocket), or the roller(s) (just before/after the front sprocket) or the rub strip on the swing arm. If the rollers don't roll or the guide is messed up or the rub strip is badly worn, replace them.
If its not the guides then it would have to be the chain/sprockets. Don't believe what hte seller told you, inspect the chain and sprockets. The owner's manual or after market repair manual will tell you how to inspect the fit of the chain on the sprocket and what the sprocket teeth should (or shouldn't ) look like. On the rear sprocket it is fairly easy: with the chain fully engaged if you can pull a link more than half the sprocket tooth away then the chain/sprocket are toast.
It is also possible that the sounds you are hearing are normal. Chains are somewhat noisey. When you make a sudden change from power to engine braking the chain can "slap". You might even be hearing gear noise from the transmission.
Rod
okay ill start to read the hanes book i got a lil morewhenfoxforks-ruled said:You look at the sprockets, you measure the chain. There is a pin to pin measurement, for like 7 links. Should be in the manual.
kx125412 said:Fox what do you mean by "If you don't care about the engine or performance, put an o-ring chain on"?
Exactly, my good man. People say "my chain looks good, but my sprockets are starting to hook" so they change the sprockets out. Then we get someone on the flame board complaining about how these new sprockets he put on wore out so fast his head is spinning.Jaybird said:Good friends like Pred make the recommendation to change it all out as a set no matter what, as a matter of dealing with the fact that the general populous is really just fumbling around with chain issues, and not really performing proper maintenance on the drives at all.
whenfoxforks-ruled said:That o-ring chain on a 250 will put drag on enough you should be able to feel the difference. Off bottom will not be as crisp. Its too heavy for a motocross bike. Put the type that came on it, you can not go wrong. The smaller bikes are affected a lot more. The only advantage is laziness. I do believe they require less maintenance. Primarily for enduro and what not. Used to be they were way more expensive. Most decent standard chains, will last as long as the sprockets. Everytime you get done with 20 minutes of riding, you check and maintain the chain.
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